">
<div class="tmd-usual">
The result is an untyped value. Its default type is <code class="tmd-code-span">float64</code>.
</div>
</div>
</td>
<td rowspan="2">
<div class="tmd-base">
<div class="tmd-base tmd-align-center">
<div class="tmd-usual">
Not always.
</div>
</div>
<p></p>
<div class="tmd-usual">
From <a href="https://golang.org/ref/spec#Constants">Go spec</a>: the expressions <code class="tmd-code-span">real(s)</code> and <code class="tmd-code-span">imag(s)</code> are constants if <code class="tmd-c