="tmd-usual">
If a function call is evaluated at compile time, its return results must be constants.
</div>
<p></p>
<table class="tmd-table">
<tr>
<th>
Function
</th>
<th>
Return Type
</th>
<th>
Are Calls Always Evaluated at Compile Time?
</th>
</tr>
<tr>
<th>
unsafe.Sizeof
</th>
<td rowspan="3">
<div class="tmd-base tmd-align-center">
<div class="tmd-usual">
<code class="tmd-code-span">uintptr</code>
</div>
</div>
</td>
<td rowspan="3">
<div class="tmd-base">
<div class="tmd-base tmd-align-center">
<div cl