</p>

<p>
A data race is defined as
a write to a memory location happening concurrently with another read or write to that same location,
unless all the accesses involved are atomic data accesses as provided by the <code>sync/atomic</code> package.
As noted already, programmers are strongly encouraged to use appropriate synchronization
to avoid data races.

<a href="#Blank_identifier">blank</a>.
</p>

<pre class="ebnf">
QualifiedIdent = PackageName "." identifier .
</pre>

<p>
A qualified identifier accesses an identifier in a different package, which
must be <a href="#Import_declarations">imported</a>.
The identifier must be <a href="#Exported_identifiers">exported</a> and

<a href="#Blank_identifier">blank</a>.
</p>

<pre class="ebnf">
QualifiedIdent = PackageName "." identifier .
</pre>

<p>
A qualified identifier accesses an identifier in a different package, which
must be <a href="#Import_declarations">imported</a>.
The identifier must be <a href="#Exported_identifiers">exported</a> and