mirror of https://github.com/vapor/docs.git
1812 lines
48 KiB
HTML
1812 lines
48 KiB
HTML
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<!DOCTYPE html>
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<html class="no-js">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<link rel="shortcut icon" href="../../assets/images/favicon.png">
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<meta name="generator" content="mkdocs-0.16.2, mkdocs-material-1.1.1">
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<title>Body - Vapor Docs</title>
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<script src="../../assets/javascripts/modernizr-56ade86843.js"></script>
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<link rel="stylesheet" href="../../assets/stylesheets/application-e5b48ab351.css">
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto Slab:300,400,400i,700|Source+Code+Pro">
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<style>body,input{font-family:"Roboto Slab","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Source Code Pro","Courier New",Courier,monospace}</style>
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<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
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<link rel="stylesheet" href="../../stylesheets/extra.css">
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</head>
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<body>
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<svg class="md-svg">
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<defs>
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<svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
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</defs>
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</svg>
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<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="drawer">
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<input class="md-toggle" data-md-toggle="search" type="checkbox" id="search">
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<label class="md-overlay" data-md-component="overlay" for="drawer"></label>
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<header class="md-header">
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<nav class="md-header-nav md-grid">
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<div class="md-flex">
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<div class="md-flex__cell md-flex__cell--shrink">
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<a href="../.." title="Vapor Docs" class="md-logo md-header-nav__button">
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<img src="../../images/droplet-white.svg" width="24" height="24">
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</a>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--menu md-header-nav__button" for="drawer"></label>
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</div>
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<div class="md-flex__cell md-flex__cell--stretch">
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<span class="md-flex__ellipsis md-header-nav__title">
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<span class="md-header-nav__parent">
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HTTP
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</span>
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Body
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</span>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--search md-header-nav__button" for="search"></label>
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<div class="md-search" data-md-component="search">
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<div class="md-search__overlay"></div>
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<div class="md-search__inner">
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<form class="md-search__form" name="search">
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<input type="text" class="md-search__input" name="query" placeholder="Search" accesskey="s" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query">
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<label class="md-icon md-search__icon" for="search"></label>
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</form>
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<div class="md-search__output">
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<div class="md-search__scrollwrap" data-md-scrollfix>
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<div class="md-search-result" data-md-component="result"></div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<div class="md-header-nav__source">
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<a href="https://github.com/vapor/documentation" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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GitHub
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</div>
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</a>
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</div>
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</div>
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</div>
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</nav>
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</header>
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<div class="md-container">
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<main class="md-main">
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<div class="md-main__inner md-grid" data-md-component="container">
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<div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--primary" data-md-level="0">
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<label class="md-nav__title md-nav__title--site" for="drawer">
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<i class="md-logo md-nav__button">
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<img src="../../images/droplet-white.svg">
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</i>
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Vapor Docs
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</label>
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<div class="md-nav__source">
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<a href="https://github.com/vapor/documentation" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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GitHub
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</div>
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</a>
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</div>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../.." title="Overview" class="md-nav__link">
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Overview
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-2" type="checkbox" id="nav-2">
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<label class="md-nav__link" for="nav-2">
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Getting started
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-2">
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Getting started
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../getting-started/install-on-macos/" title="Install: macOS" class="md-nav__link">
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Install: macOS
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../getting-started/install-on-ubuntu/" title="Install: Ubuntu" class="md-nav__link">
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Install: Ubuntu
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../getting-started/toolbox/" title="Toolbox" class="md-nav__link">
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Toolbox
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../getting-started/hello-world/" title="Hello, World" class="md-nav__link">
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Hello, World
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../getting-started/manual/" title="Manual" class="md-nav__link">
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Manual
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../getting-started/xcode/" title="Xcode" class="md-nav__link">
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Xcode
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-3" type="checkbox" id="nav-3">
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<label class="md-nav__link" for="nav-3">
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Vapor
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-3">
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Vapor
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../vapor/folder-structure/" title="Folder Structure" class="md-nav__link">
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Folder Structure
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/droplet/" title="Droplet" class="md-nav__link">
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Droplet
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/views/" title="Views" class="md-nav__link">
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Views
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/controllers/" title="Controllers" class="md-nav__link">
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Controllers
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/provider/" title="Provider" class="md-nav__link">
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Provider
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/hash/" title="Hash" class="md-nav__link">
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Hash
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/log/" title="Log" class="md-nav__link">
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Log
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../vapor/commands/" title="Commands" class="md-nav__link">
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Commands
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-4" type="checkbox" id="nav-4">
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<label class="md-nav__link" for="nav-4">
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Settings
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-4">
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Settings
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../settings/config/" title="Config" class="md-nav__link">
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Config
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-5" type="checkbox" id="nav-5">
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<label class="md-nav__link" for="nav-5">
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JSON
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-5">
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JSON
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../json/package/" title="Package" class="md-nav__link">
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Package
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../json/overview/" title="Overview" class="md-nav__link">
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Overview
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-6" type="checkbox" id="nav-6">
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<label class="md-nav__link" for="nav-6">
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Routing
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-6">
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Routing
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../routing/package/" title="Package" class="md-nav__link">
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Package
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../routing/overview/" title="Overview" class="md-nav__link">
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Overview
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../routing/parameters/" title="Parameters" class="md-nav__link">
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Parameters
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../routing/group/" title="Group" class="md-nav__link">
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Group
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../routing/collection/" title="Collection" class="md-nav__link">
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Collection
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-7" type="checkbox" id="nav-7">
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<label class="md-nav__link" for="nav-7">
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Fluent
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-7">
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Fluent
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../fluent/package/" title="Package" class="md-nav__link">
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Package
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../fluent/getting-started/" title="Getting Started" class="md-nav__link">
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Getting Started
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../../fluent/model/" title="Model" class="md-nav__link">
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Model
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../../fluent/database/" title="Database" class="md-nav__link">
|
|
Database
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../fluent/query/" title="Query" class="md-nav__link">
|
|
Query
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../fluent/relations/" title="Relations" class="md-nav__link">
|
|
Relations
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-8" type="checkbox" id="nav-8">
|
|
|
|
<label class="md-nav__link" for="nav-8">
|
|
Cache
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-8">
|
|
Cache
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../cache/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../cache/overview/" title="Overview" class="md-nav__link">
|
|
Overview
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-9" type="checkbox" id="nav-9">
|
|
|
|
<label class="md-nav__link" for="nav-9">
|
|
MySQL
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-9">
|
|
MySQL
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../mysql/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../mysql/provider/" title="Provider" class="md-nav__link">
|
|
Provider
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../mysql/driver/" title="Driver" class="md-nav__link">
|
|
Driver
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-10" type="checkbox" id="nav-10">
|
|
|
|
<label class="md-nav__link" for="nav-10">
|
|
Redis
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-10">
|
|
Redis
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../redis/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../redis/provider/" title="Provider" class="md-nav__link">
|
|
Provider
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-11" type="checkbox" id="nav-11">
|
|
|
|
<label class="md-nav__link" for="nav-11">
|
|
Auth
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-11">
|
|
Auth
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/provider/" title="Provider" class="md-nav__link">
|
|
Provider
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/getting-started/" title="Getting Started" class="md-nav__link">
|
|
Getting Started
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/helper/" title="Helper" class="md-nav__link">
|
|
Helper
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/password/" title="Password" class="md-nav__link">
|
|
Password
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../auth/persist/" title="Persist" class="md-nav__link">
|
|
Persist
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-12" type="checkbox" id="nav-12">
|
|
|
|
<label class="md-nav__link" for="nav-12">
|
|
Sessions
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-12">
|
|
Sessions
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../sessions/sessions/" title="Sessions" class="md-nav__link">
|
|
Sessions
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-13" type="checkbox" id="nav-13" checked>
|
|
|
|
<label class="md-nav__link" for="nav-13">
|
|
HTTP
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-13">
|
|
HTTP
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../request/" title="Request" class="md-nav__link">
|
|
Request
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../response/" title="Response" class="md-nav__link">
|
|
Response
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../middleware/" title="Middleware" class="md-nav__link">
|
|
Middleware
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link md-nav__link--active" for="toc">
|
|
Body
|
|
</label>
|
|
|
|
<a href="./" title="Body" class="md-nav__link md-nav__link--active">
|
|
Body
|
|
</a>
|
|
|
|
|
|
<nav class="md-nav md-nav--secondary">
|
|
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__title" for="toc">Table of contents</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#data-case" title="Data Case" class="md-nav__link">
|
|
Data Case
|
|
</a>
|
|
|
|
<nav class="md-nav">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#applicationjson" title="Application/JSON" class="md-nav__link">
|
|
Application/JSON
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#imagepng" title="Image/PNG" class="md-nav__link">
|
|
Image/PNG
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#chunked-case" title="Chunked Case" class="md-nav__link">
|
|
Chunked Case
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#bodyrepresentable" title="BodyRepresentable" class="md-nav__link">
|
|
BodyRepresentable
|
|
</a>
|
|
|
|
<nav class="md-nav">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#custom" title="Custom" class="md-nav__link">
|
|
Custom
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../response-representable/" title="ResponseRepresentable" class="md-nav__link">
|
|
ResponseRepresentable
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../responder/" title="Responder" class="md-nav__link">
|
|
Responder
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/" title="Client" class="md-nav__link">
|
|
Client
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../server/" title="Server" class="md-nav__link">
|
|
Server
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../cors/" title="CORS" class="md-nav__link">
|
|
CORS
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-14" type="checkbox" id="nav-14">
|
|
|
|
<label class="md-nav__link" for="nav-14">
|
|
Leaf
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-14">
|
|
Leaf
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../leaf/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../leaf/provider/" title="Provider" class="md-nav__link">
|
|
Provider
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../leaf/leaf/" title="Overview" class="md-nav__link">
|
|
Overview
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../validation/overview/" title="Validation" class="md-nav__link">
|
|
Validation
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-16" type="checkbox" id="nav-16">
|
|
|
|
<label class="md-nav__link" for="nav-16">
|
|
Node
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-16">
|
|
Node
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../node/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-17" type="checkbox" id="nav-17">
|
|
|
|
<label class="md-nav__link" for="nav-17">
|
|
Core
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-17">
|
|
Core
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../core/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../core/overview/" title="Overview" class="md-nav__link">
|
|
Overview
|
|
</a>
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--nested">
|
|
|
|
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-18" type="checkbox" id="nav-18">
|
|
|
|
<label class="md-nav__link" for="nav-18">
|
|
Bits
|
|
</label>
|
|
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
|
|
<label class="md-nav__title" for="nav-18">
|
|
Bits
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../../bits/package/" title="Package" class="md-nav__link">
|
|
Package
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
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<article class="md-content__inner md-typeset">
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<a href="https://github.com/vapor/documentation/edit/master/2.0/docs/http/body.md" title="Edit this page" class="md-icon md-content__edit">edit</a>
|
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<div class="admonition warning">
|
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<p class="admonition-title">Warning</p>
|
|
<p>This section may contain outdated information.</p>
|
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</div>
|
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<blockquote>
|
|
<p>Module: <code>import HTTP</code></p>
|
|
</blockquote>
|
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<h1 id="body">Body<a class="headerlink" href="#body" title="Permanent link">¶</a></h1>
|
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<p>The <code>HTTP.Body</code> represents the payload of an <code>HTTP.Message</code>, and is used to pass the underlying data. Some examples of this in practice would be <code>JSON</code>, <code>HTML</code> text, or the bytes of an image. Let's look at the implementation:</p>
|
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<div class="codehilite"><pre><span></span><span class="kd">public</span> <span class="kd">enum</span> <span class="nc">Body</span> <span class="p">{</span>
|
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<span class="k">case</span> <span class="n">data</span><span class="p">(</span><span class="n">Bytes</span><span class="p">)</span>
|
|
<span class="k">case</span> <span class="n">chunked</span><span class="p">((</span><span class="n">ChunkStream</span><span class="p">)</span> <span class="kr">throws</span> <span class="p">-></span> <span class="nb">Void</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
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</pre></div>
|
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<h2 id="data-case">Data Case<a class="headerlink" href="#data-case" title="Permanent link">¶</a></h2>
|
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<p>The <code>data</code> case is by far the most common use for a <code>Body</code> in an <code>HTTP.Message</code>. It is simply an array of bytes. The serialization protocol or type associated with these bytes is usually defined by the <code>Content-Type</code> header. Let's look at some examples.</p>
|
|
<h3 id="applicationjson">Application/JSON<a class="headerlink" href="#applicationjson" title="Permanent link">¶</a></h3>
|
|
<p>If our <code>Content-Type</code> header contains <code>application/json</code>, then the underlying bytes represent serialized JSON.</p>
|
|
<div class="codehilite"><pre><span></span><span class="k">if</span> <span class="kd">let</span> <span class="nv">contentType</span> <span class="p">=</span> <span class="n">req</span><span class="p">.</span><span class="n">headers</span><span class="p">[</span><span class="s">"Content-Type"</span><span class="p">],</span> <span class="n">contentType</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="s">"application/json"</span><span class="p">),</span> <span class="kd">let</span> <span class="nv">bytes</span> <span class="p">=</span> <span class="n">req</span><span class="p">.</span><span class="n">body</span><span class="p">.</span><span class="n">bytes</span> <span class="p">{</span>
|
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<span class="kd">let</span> <span class="nv">json</span> <span class="p">=</span> <span class="k">try</span> <span class="n">JSON</span><span class="p">(</span><span class="n">bytes</span><span class="p">:</span> <span class="n">bytes</span><span class="p">)</span>
|
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<span class="bp">print</span><span class="p">(</span><span class="s">"Got JSON: </span><span class="si">\(</span><span class="n">json</span><span class="si">)</span><span class="s">"</span><span class="p">)</span>
|
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<span class="p">}</span>
|
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</pre></div>
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<h3 id="imagepng">Image/PNG<a class="headerlink" href="#imagepng" title="Permanent link">¶</a></h3>
|
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<p>If our <code>Content-Type</code> contains <code>image/png</code>, then the underlying bytes represent an encoded png.</p>
|
|
<div class="codehilite"><pre><span></span><span class="k">if</span> <span class="kd">let</span> <span class="nv">contentType</span> <span class="p">=</span> <span class="n">req</span><span class="p">.</span><span class="n">headers</span><span class="p">[</span><span class="s">"Content-Type"</span><span class="p">],</span> <span class="n">contentType</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="s">"image/png"</span><span class="p">),</span> <span class="kd">let</span> <span class="nv">bytes</span> <span class="p">=</span> <span class="n">req</span><span class="p">.</span><span class="n">body</span><span class="p">.</span><span class="n">bytes</span> <span class="p">{</span>
|
|
<span class="k">try</span> <span class="n">database</span><span class="p">.</span><span class="n">save</span><span class="p">(</span><span class="n">image</span><span class="p">:</span> <span class="n">bytes</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<h2 id="chunked-case">Chunked Case<a class="headerlink" href="#chunked-case" title="Permanent link">¶</a></h2>
|
|
<p>The <code>chunked</code> case only applies to outgoing <code>HTTP.Message</code>s in Vapor. It is traditionally a responder's role to collect an entire chunked encoding before passing it on. We can use this to send a body asynchronously.</p>
|
|
<div class="codehilite"><pre><span></span><span class="kd">let</span> <span class="nv">body</span><span class="p">:</span> <span class="n">Body</span> <span class="p">=</span> <span class="n">Body</span><span class="p">.</span><span class="n">chunked</span><span class="p">(</span><span class="n">sender</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="n">status</span><span class="p">:</span> <span class="p">.</span><span class="n">ok</span><span class="p">,</span> <span class="n">body</span><span class="p">:</span> <span class="n">body</span><span class="p">)</span>
|
|
</pre></div>
|
|
|
|
|
|
<p>We can implement this manually, or use Vapor's built in convenience initializer for chunked bodies:</p>
|
|
<div class="codehilite"><pre><span></span><span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="n">status</span><span class="p">:</span> <span class="p">.</span><span class="n">ok</span><span class="p">)</span> <span class="p">{</span> <span class="n">chunker</span> <span class="k">in</span>
|
|
<span class="k">for</span> <span class="n">name</span> <span class="k">in</span> <span class="p">[</span><span class="s">"joe"</span><span class="p">,</span> <span class="s">"pam"</span><span class="p">,</span> <span class="s">"cheryl"</span><span class="p">]</span> <span class="p">{</span>
|
|
<span class="n">sleep</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="k">try</span> <span class="n">chunker</span><span class="p">.</span><span class="n">send</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
|
|
<span class="k">try</span> <span class="n">chunker</span><span class="p">.</span><span class="n">close</span><span class="p">()</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<blockquote>
|
|
<p>Make sure to call <code>close()</code> before the chunker leaves scope.</p>
|
|
</blockquote>
|
|
<h2 id="bodyrepresentable">BodyRepresentable<a class="headerlink" href="#bodyrepresentable" title="Permanent link">¶</a></h2>
|
|
<p>In addition to the concrete <code>Body</code> type, as is common in Vapor, we also have wide support for <code>BodyRepresentable</code>. This means objects that we're commonly converting to <code>Body</code> type can be used interchangeably. For example:</p>
|
|
<div class="codehilite"><pre><span></span><span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="n">body</span><span class="p">:</span> <span class="s">"Hello, World!"</span><span class="p">)</span>
|
|
</pre></div>
|
|
|
|
|
|
<p>In the above example, string is converted to bytes and added to the body.</p>
|
|
<blockquote>
|
|
<p>In practice, it is better to use <code>return "Hello, World!"</code>. Vapor will automatically be able to set the <code>Content-Type</code> to appropriate values.</p>
|
|
</blockquote>
|
|
<p>Let's look at how it's implemented:</p>
|
|
<div class="codehilite"><pre><span></span><span class="kd">public</span> <span class="kd">protocol</span> <span class="nc">BodyRepresentable</span> <span class="p">{</span>
|
|
<span class="kd">func</span> <span class="nf">makeBody</span><span class="p">()</span> <span class="p">-></span> <span class="n">Body</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<h3 id="custom">Custom<a class="headerlink" href="#custom" title="Permanent link">¶</a></h3>
|
|
<p>We can conform our own types to this as well where applicable. Let's pretend we have a custom data type, <code>.vpr</code>. Let's conform our <code>VPR</code> file type model:</p>
|
|
<div class="codehilite"><pre><span></span><span class="kd">extension</span> <span class="nc">VPRFile</span><span class="p">:</span> <span class="n">HTTP</span><span class="p">.</span><span class="n">BodyRepresentable</span> <span class="p">{</span>
|
|
<span class="kd">func</span> <span class="nf">makeBody</span><span class="p">()</span> <span class="p">-></span> <span class="n">Body</span> <span class="p">{</span>
|
|
<span class="c1">// collect bytes</span>
|
|
<span class="k">return</span> <span class="p">.</span><span class="n">data</span><span class="p">(</span><span class="n">bytes</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<blockquote>
|
|
<p>You may have noticed above, that the protocol throws, but our implementation does not. This is completely valid in Swift and will allow you to not throw if you're ever calling the function manually.</p>
|
|
</blockquote>
|
|
<p>Now we're able to include our <code>VPR</code> file directly in our <code>Responses</code>.</p>
|
|
<div class="codehilite"><pre><span></span><span class="n">drop</span><span class="p">.</span><span class="kr">get</span><span class="p">(</span><span class="s">"files"</span><span class="p">,</span> <span class="s">":file-name"</span><span class="p">)</span> <span class="p">{</span> <span class="n">request</span> <span class="k">in</span>
|
|
<span class="kd">let</span> <span class="nv">filename</span> <span class="p">=</span> <span class="k">try</span> <span class="n">request</span><span class="p">.</span><span class="n">parameters</span><span class="p">.</span><span class="n">extract</span><span class="p">(</span><span class="s">"file-name"</span><span class="p">)</span> <span class="k">as</span> <span class="nb">String</span>
|
|
<span class="kd">let</span> <span class="nv">file</span> <span class="p">=</span> <span class="n">VPRFileManager</span><span class="p">.</span><span class="n">fetch</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="n">Response</span><span class="p">(</span><span class="n">status</span><span class="p">:</span> <span class="p">.</span><span class="n">ok</span><span class="p">,</span> <span class="n">headers</span><span class="p">:</span> <span class="p">[</span><span class="s">"Content-Type"</span><span class="p">:</span> <span class="s">"file/vpr"</span><span class="p">],</span> <span class="n">body</span><span class="p">:</span> <span class="n">file</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<p>In practice, if we're repeating this often, we'll probably conform <code>VPRFile</code> directly to <code>ResponseRepresentable</code></p>
|
|
<div class="codehilite"><pre><span></span><span class="kd">extension</span> <span class="nc">VPRFile</span><span class="p">:</span> <span class="n">HTTP</span><span class="p">.</span><span class="n">ResponseRepresentable</span> <span class="p">{</span>
|
|
<span class="kd">func</span> <span class="nf">makeResponse</span><span class="p">()</span> <span class="p">-></span> <span class="n">Response</span> <span class="p">{</span>
|
|
<span class="k">return</span> <span class="n">Response</span><span class="p">(</span>
|
|
<span class="n">status</span><span class="p">:</span> <span class="p">.</span><span class="n">ok</span><span class="p">,</span>
|
|
<span class="n">headers</span><span class="p">:</span> <span class="p">[</span><span class="s">"Content-Type"</span><span class="p">:</span> <span class="s">"file/vpr"</span><span class="p">],</span>
|
|
<span class="n">body</span><span class="p">:</span> <span class="n">file</span>
|
|
<span class="p">)</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<p>Here's our above example now:</p>
|
|
<div class="codehilite"><pre><span></span><span class="n">drop</span><span class="p">.</span><span class="kr">get</span><span class="p">(</span><span class="s">"files"</span><span class="p">,</span> <span class="s">":file-name"</span><span class="p">)</span> <span class="p">{</span> <span class="n">request</span> <span class="k">in</span>
|
|
<span class="kd">let</span> <span class="nv">filename</span> <span class="p">=</span> <span class="k">try</span> <span class="n">request</span><span class="p">.</span><span class="n">parameters</span><span class="p">.</span><span class="n">extract</span><span class="p">(</span><span class="s">"file-name"</span><span class="p">)</span> <span class="k">as</span> <span class="nb">String</span>
|
|
<span class="k">return</span> <span class="n">VPRFileManager</span><span class="p">.</span><span class="n">fetch</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
|
|
|
|
<p>We could also use type-safe routing to make this even more concise:</p>
|
|
<div class="codehilite"><pre><span></span><span class="n">drop</span><span class="p">.</span><span class="kr">get</span><span class="p">(</span><span class="s">"files"</span><span class="p">,</span> <span class="nb">String</span><span class="p">.</span><span class="kc">self</span><span class="p">)</span> <span class="p">{</span> <span class="n">request</span><span class="p">,</span> <span class="n">filename</span> <span class="k">in</span>
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<span class="k">return</span> <span class="n">VPRFileManager</span><span class="p">.</span><span class="n">fetch</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
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<span class="p">}</span>
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</pre></div>
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