say join "\n", sort { $a <=> $b } keys %{{ map { $_ => 0 } 1..10 }}

##</code><code>##

say for sort { $a <=> $b } keys %{{ map { $_ => 0 } 1..10 }}

##</code><code>##

say for sort { $a <=> $b } 1..10;

##</code><code>##

say for sort { $a <=> $b } map "$_", 1..10;