temp.p6

use v6; 

my $depth = 0;

sub recurse(Int $levels) {
    temp $depth;

    $depth++;

    if $levels > 0 { 
        recurse($levels - 1); 
    }   
};

say "before: $depth";
recurse(0);
say "after: $depth";

say "before: $depth";
recurse(10);
say "after: $depth";