fb9af8411e
When unmarshaling to a map, the map's key type must either be a string, an integer, or implement encoding.TextUnmarshaler. But for a user defined type, reflect.Kind will not distinguish between the static type and the underlying type. In: var x MyString = "x" t := reflect.TypeOf(x) println(t.Kind() == reflect.String) the Kind of x is still reflect.String, even though the static type of x is MyString. Moreover, checking for the map's key type is a string occurs first, so even if the map key type MyString implements encoding.TextUnmarshaler, it will be ignored. To fix the bug, check for encoding.TextUnmarshaler first. Fixes #34437 Change-Id: I780e0b084575e1dddfbb433fe03857adf71d05fb Reviewed-on: https://go-review.googlesource.com/c/go/+/200237 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Daniel Martí <mvdan@mvdan.cc> |
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README.md
The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
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Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
Download and Install
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Install From Source
If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.
Contributing
Go is the work of thousands of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.