Brian McCauley wrote:
>
> First contribution is a module to provide the apply BLOCK LIST
> function as decribed in a thread in comp.lang.perl.misc some time
> back:
>
> apply BLOCK LIST
>
> Similar to map in that it evaluates BLOCK setting $_ to each
> element of LIST in turn. apply returns a list made up of the
> values of $_ after BLOCK has been evaluated. In a scalar context
> the last element is returned. Unlike map and grep the elements
> of LIST are not altered.
>
> @foo = apply { s/\s+/ /g } @bar; # canonicalise whitespace
>
> This function is nothing more than syntactic sugar for people who find
> the following syntax unpalatable.
>
> for (@foo = @bar) { s/\s+/ /g }
>
Please excuse my stupid question :-)
What's the difference to the map function.
What you've written above, would I have written as
@foo = map { s/\s+/ /g } @bar;
Greetings,
Andrea
