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doc: s/again/loop

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Niko Matsakis 2012-09-20 05:58:13 -07:00
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@ -2042,19 +2042,19 @@ break_expr : "break" ;
Executing a `break` expression immediately terminates the innermost loop
enclosing it. It is only permitted in the body of a loop.
### Again expressions
### Loop expressions
~~~~~~~~{.ebnf .gram}
again_expr : "again" ;
again_expr : "loop" ;
~~~~~~~~
Evaluating an `again` expression immediately terminates the current iteration of
Evaluating a `loop` expression immediately terminates the current iteration of
the innermost loop enclosing it, returning control to the loop *head*. In the
case of a `while` loop, the head is the conditional expression controlling the
loop. In the case of a `for` loop, the head is the call-expression controlling
the loop.
An `again` expression is only permitted in the body of a loop.
A `loop` expression is only permitted in the body of a loop.
### For expressions