Useless use of a (constant|hash element) in void context?
melbourne.pm at bowman.bs
Sun Oct 5 21:19:39 CDT 2003
> > If you prefix something with an ampersand you're saying that it's a
> > subroutine:
> > &some_sub();
> Ok, so when I call a function foo like:
> print foo;
> I'm implying:
> print &foo();
> ... assuming there are no variables called foo in the current
The & call prefix may do other stuff too. It's ol' skool so dodges
prototypes and if used like &blah with no parens it gets the
parents @_. Rarely what you want, so careful with &.
(The \&sub for a reference to a named sub is ok though)
> I guess I've always been curious - what's the difference between
> prefixing something with an ampersand or a backslash?
Are you a C programmer by chance?
... There is dignity in paucity of words. ... -- Hagakure
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