all types in its type set must be channel types that permit send operations,
they must all have the same element type,
and the type of the value to be sent must be assignable to that element type.
</p>

<h3 id="IncDec_statements">IncDec statements</h3>

<p>
The "++" and "--" statements increment or decrement their operands
by the untyped <a href="#Constants">constant</a> <code>1</code>.