mirror
/
go
mirror of https://github.com/golang/go.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

spec: added additional links, added missing 'label' 

No semantic spec changes.

R=r
CC=golang-dev
https://golang.org/cl/14363043
This commit is contained in:
Robert Griesemer 2013-10-03 16:38:22 -07:00
parent e59db90bfb
commit 4cc71e3363
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
doc/go_spec.html
View File

@ -1512,8 +1512,13 @@ Blocks nest and influence <a href="#Declarations_and_scope">scoping</a>.
<h2 id="Declarations_and_scope">Declarations and scope</h2> <h2 id="Declarations_and_scope">Declarations and scope</h2>
<p> <p>
A declaration binds a non-<a href="#Blank_identifier">blank</a> A <i>declaration</i> binds a non-<a href="#Blank_identifier">blank</a> identifier to a
identifier to a constant, type, variable, function, or package. <a href="#Constant_declarations">constant</a>,
<a href="#Type_declarations">type</a>,
<a href="#Variable_declarations">variable</a>,
<a href="#Function_declarations">function</a>,
<a href="#Labeled_statements">label</a>, or
<a href="#Import_declarations">package</a>.
Every identifier in a program must be declared. Every identifier in a program must be declared.
No identifier may be declared twice in the same block, and No identifier may be declared twice in the same block, and
no identifier may be declared in both the file and package block. no identifier may be declared in both the file and package block.
@ -1526,15 +1531,15 @@ TopLevelDecl = Declaration | FunctionDecl | MethodDecl .
<p> <p>
The <i>scope</i> of a declared identifier is the extent of source text in which The <i>scope</i> of a declared identifier is the extent of source text in which
the identifier denotes the specified constant, type, variable, function, or package. the identifier denotes the specified constant, type, variable, function, label, or package.
</p> </p>
<p> <p>
Go is lexically scoped using blocks: Go is lexically scoped using <a href="#Blocks">blocks</a>:
</p> </p>
<ol> <ol>
<li>The scope of a predeclared identifier is the universe block.</li> <li>The scope of a <a href="#Predeclared_identifiers">predeclared identifier</a> is the universe block.</li>
<li>The scope of an identifier denoting a constant, type, variable, <li>The scope of an identifier denoting a constant, type, variable,
or function (but not method) declared at top level (outside any or function (but not method) declared at top level (outside any
@ -1589,7 +1594,7 @@ the body of any nested function.
<p> <p>
The <i>blank identifier</i>, represented by the underscore character <code>_</code>, may be used in a declaration like The <i>blank identifier</i>, represented by the underscore character <code>_</code>, may be used in a declaration like
any other identifier but the declaration does not introduce a new binding. any other identifier but the declaration does not introduce a new <a href="#Declarations_and_scope">binding</a>.
</p> </p>