Help for this page

Select Code to Download


  1. or download this
    my $var= "hello, world";
for(  @{[ $var ]}  ) {  # Make a copy
...
    say;    # hello, earth
}
say $var;   # hello, world
  2. or download this
    use strict;

...
Hello, Earth!
Hello, World!
$copy no longer in scope