On Tue, Mar 11, 2014 at 11:58 PM, Alex Chiang <pigfly...@gmail.com> wrote:
> sub is_in_string {
> 38 # @s: string array, $c: character
> 39 # passing array into sub
> 40 my @s = @_[0]; my $c = $_[1];
<snip...>
> 44 my @ar = qw(t d s);
> 45 my $c = "d";
> 46 my $res = &is_in_string( @ar, $c);
This is a good example of how Perl flattens a parameter list. The
"&is_in_string(@ar, $c)" turns into "&is_in_string('t', 'd', 's', 'd');".
@_[0] only grabs the first parameter 't'. $_[1] grabs the second parameter
- the 'd' from @ar.
--
Robert Wohlfarth
