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: my $num = 100;
: my $str = 'abc';
: my $array = [1,2,4,8,16];
: my $hash = {a => 1, b => 2, c => 3, d => 4};
: $num ~ ' is a number' if $num.looks_like_number();
: $str ~ ' is a string' if !$str.looks_like_number();
: $str ~ ' length is ' ~ $str.length();
: 'sum of ' ~ $array.join(',') ~ ' is ' ~ $array.sum();
: my $reduced = $hash.delete_keys('b', 'd');
After keys b and d have been deleted, the hash is:
: for $reduced.kv() -> $pair {
<: $pair.key :> = <: $pair.value :>
: };
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