</p>

<pre class="ebnf">
ForStmt   = "for" [ Condition | ForClause | RangeClause ] Block .
Condition = Expression .
</pre>

<h4 id="For_condition">For statements with single condition</h4>

<p>
In its simplest form, a "for" statement specifies the repeated execution of
a block as long as a boolean condition evaluates to true.