On Mon, 20 Nov 2017 12:13:47 -0800, ronaldxs wrote:
> What about a native perl6 range loop? Couldn't there be some way for
> Perl 6 / Rakudo to generate code competitive on a small range with the
> "native-loop" example?
>
> perl6 -e '
> {
> my int ($a, $one, $three) = (42, 1, 3);
> for ^10_000_000 { $a += $one + $a%$three };
> say now - ENTER now;
> say $a
> }'
This code will actually be turned into a `loop` loop by the optimizer at
compile time. If you type the block to have a signature of `-> int $_ --> Nil`
it'll get faster.
The optimizer doesn't do anything like that for the `^$limit` case, however.
