</pre>

<h2 id="Lexical_elements">Lexical elements</h2>

<h3 id="Comments">Comments</h3>

<p>
Comments serve as program documentation. There are two forms:
</p>

<ol>
<li>
<i>Line comments</i> start with the character sequence <code>//</code>
and stop at the end of the line.
</li>
<li>
<i>General comments</i> start with the character sequence <code>/*</code>

float: left;\n    margin-right: 10px;\n  }\n}\n\n.card-comments {\n  background-color: #f8f9fa;\n}\n\n.card-comments .card-comment {\n  border-bottom: 1px solid #e9ecef;\n  padding: 8px 0;\n}\n\n.card-comments .card-comment::after {\n  display: block;\n  clear: both;\n  content: \"\";\n}\n\n.card-comments .card-comment:last-of-type {\n  border-bottom: 0;\n}\n\n.card-comments .card-comment:first-of-type {\n  padding-top: 0;\n}\n\n.card-comments .card-comment img {\n  height: 1.875rem;\n  width: 1.875rem;\n...

(max-width:576px){.chart-legend>li{float:left;margin-right:10px}}.card-comments{background-color:#f8f9fa}.card-comments .card-comment{border-bottom:1px solid #e9ecef;padding:8px 0}.card-comments .card-comment::after{display:block;clear:both;content:""}.card-comments .card-comment:last-of-type{border-bottom:0}.card-comments .card-comment:first-of-type{padding-top:0}.card-comments .card-comment img{height:1.875rem;width:1.875rem;float:left}.card-comments .comment-text{color:#78838e;margin-left:40px}.card-comments...

     * respect to reads.
     *
     * As a guide, all critical volatile reads and writes to the count field are marked in code
     * comments.
     */

    @Weak final LocalCache<K, V> map;

    /** The number of live elements in this segment's region. */
    volatile int count;

pkg os, var ErrNotExist error
pkg os, var ErrPermission error
pkg os, var Interrupt Signal
pkg os, var Kill Signal
pkg os, var Stderr *File
pkg os, var Stdin *File
pkg os, var Stdout *File
pkg os/exec, func Command(string, ...string) *Cmd
pkg os/exec, func LookPath(string) (string, error)
pkg os/exec, method (*Cmd) CombinedOutput() ([]uint8, error)
pkg os/exec, method (*Cmd) Output() ([]uint8, error)

pkg go/ast, const RECV = 2
pkg go/ast, const SEND = 1
pkg go/ast, const Typ = 3
pkg go/ast, const Var = 4
pkg go/ast, func NewCommentMap(*token.FileSet, Node, []*CommentGroup) CommentMap
pkg go/ast, method (CommentMap) Comments() []*CommentGroup
pkg go/ast, method (CommentMap) Filter(Node) CommentMap
pkg go/ast, method (CommentMap) String() string
pkg go/ast, method (CommentMap) Update(Node, Node) Node