On Sat, 30 Jul 2011 14:19:40 -0700, masak wrote:
> <masak> is there a method for invoking a Routine? besides
> postcircumfix:<( )>, I mean?
> <jnthn> rakudo: sub foo($a) { say $a }; &foo.callwith(42)
> <p6eval> rakudo 922500: OUTPUT«42»
> <jnthn> That's what I thought when I saw .callwith :)
> <masak> oh, interesting, .callwith without being in a call already :)
> <moritz> why do you need anything besides .() ?
> <masak> moritz: I don't, I'm just thinking ahead :)
> <jnthn> Code.callwith(...) has no relation to callwith(...)
> <masak> oh!
> <masak> that's... unfortunate...
> <jnthn> I dunno if the first is even tested, fwiw.
> <jnthn> I guess if we have it it's spec
> <jnthn> But it seems kinda...well...pointless.
> <masak> hm, yes. S06:1146 mentions something of the sort.
> <masak> "Use of C<callwith> allows the routine to be called without
> introducing an official C<CALLER> frame."
> <masak> that seems to be why.
> <masak> should've been named .gotowith :P
> <jnthn> oh
> <jnthn> well, we don't do that. :)
> * masak submits rakudobug
> * jnthn doesn't bother re-adding it to nom :)
> <moritz> masak: use callframe() to prove it :-)
> <masak> rakudo: sub foo { my $foo; &bar.callwith() }; sub bar { my
> $bar; say callframe.my }; foo
> <p6eval> rakudo 922500: OUTPUT«$bar [...]
> <masak> that's good enough.
> * masak adds that to the ticket
It now fails with:
No such method 'callwith' for invocant of type 'Sub'
Looks like the method forms of `callwith` & friends that S06 proposed, didn't
make it into Perl 6.c
Marking the ticket NYI.
