[perl #122972] [NYI] Proto regex with params isn't called correctly (possibly NYI) in Rakudo

[Aleks-Daniel Jakimenko-Aleksejev via RT]

Still NYI (2017.11,HEAD(e5b660e))

On 2014-10-14 01:02:45, masak wrote:
> <timotimo> m: grammar Test { token TOP { <Foo(1)> }; proto token
> Foo(Int) {*}; token Foo:sym<a>(Int $a) { "a" }; token Foo:sym<b>(Int
> $a) { "b" } }; say Test.parse("a");
> <camelia> rakudo-moar 8b3e8c: OUTPUT«Too few positionals passed;
> expected 2 arguments but got 1␤ in regex Foo:sym<a> [...]
> <timotimo> ven++ stumbled upon this
> * masak submits rakudobug
> <timotimo> that should work, right?
> <masak> yes.
> <pmnexus> It's very likely to be NYI, I think
> <timotimo> huh
> <timotimo> aren't we using something like that in rakudo's own grammar
> all the time?
> <pmnexus> A proto regex with params? Could be, but it'd be new to me
> <pmnexus> Also, Rakudo doesn't compile Rakudo's grammar. :-)