c5 = len([10]float64{imag(z)})   // invalid: imag(z) is a (non-constant) function call
)
var z complex128
</pre>


<h3 id="Making_slices_maps_and_channels">Making slices, maps and channels</h3>

<p>
The built-in function <code>make</code> takes a type <code>T</code>,
optionally followed by a type-specific list of expressions.