concurrency-00000043.raku
Edit the generated case and press Run. It executes locally in your browser using Raku++.
my $lock = Lock.new;
my $source = 4;
my $value = $lock.protect({ $source += 2; $source });
sub safe-str($v) { my $s = try $v.Str; $s.defined ?? $s !! '<undefined>' }
say "TYPE\t" ~ $value.^name;
say "RAKU\t" ~ $value.raku;
say "STR\t" ~ safe-str($value);
say "BOOL\t" ~ $value.Bool;