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Postings from June 2008
On Fri, Jun 20, 2008 at 08:04:27AM -0700, Nicholas Clark wrote:
> $ ./perl -Ilib -e 'sub foo {return return}'
> $
>
> How come this isn't a syntax error? It can't possibly do anything useful.
> (Actually, it seems that anything can be passed the return value of return.
> C<print return> works just fine).
>
It seems to me that there's lots of useless code that nonetheless isn't a
syntax error... :)
Perhaps that construct could generate a warning. Personally, I wouldn't
expect it to be a syntax error.
(Note that return can be usefully used as an expression:
my $foo = $bar ? return : 'baz';
Odd, but it works.)
Ronald
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