Golang comments: Difference between revisions

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= Doc Comments =
= Doc Comments =
<blockquote>
<blockquote>
There is no special syntax for doc-comments.<br>
Doc-comments are regular comments that preceed a top-level declaration.<br>
A regular comment preceding any top-level declaration is a doc-comment.<br>
The docs recommend that they begin with the name of the function.
It is customary to have a doc-comment above every exported function.
 
It is customary to have a doc-comment above every exported function, constant<br>
and preceding a package statement (any package statement, often there is a <code>doc.go</code> for this comment).


<syntaxhighlight lang="go">
<syntaxhighlight lang="go">
// Says hello.
// Words contains a collection of words to be printed.
// Prints hello to STDOUT.
package words
 
 
// Hello prints hello to STDOUT.
// If you'd like to ... etc etc
func Hello() {
func Hello() {
     fmt.Println("hello")
     fmt.Println("hello")
}
}
// Doc-Comments may also preceed a group of declarations
var (
    one = 1
    two = 2
    three = 3
)
</syntaxhighlight>
You can search documentation by by type in your cli
<syntaxhighlight lang="bash">
go doc -all regexp  # print docs for all methods with regexp type in method signature (?)
</syntaxhighlight>
</syntaxhighlight>
</blockquote><!-- Doc Comments -->
</blockquote><!-- Doc Comments -->

Latest revision as of 03:35, 25 May 2022

Comments

// single line comment

/* Multiline
 * Comment
 */

Doc Comments

Doc-comments are regular comments that preceed a top-level declaration.
The docs recommend that they begin with the name of the function.

It is customary to have a doc-comment above every exported function, constant
and preceding a package statement (any package statement, often there is a doc.go for this comment).

// Words contains a collection of words to be printed.
package words


// Hello prints hello to STDOUT.
// If you'd like to ... etc etc
func Hello() {
    fmt.Println("hello")
}


// Doc-Comments may also preceed a group of declarations
var (
    one = 1
    two = 2
    three = 3
)

You can search documentation by by type in your cli

go doc -all regexp  # print docs for all methods with regexp type in method signature (?)