[perl #102256] [BUG] int and num think they're not Mu in Rakudo

[Carl Mäsak via RT]

On Wed Oct 26 06:04:19 2011, masak wrote:
> <moritz> nom: say num ~~ num
> <p6eval> nom 97aa73: OUTPUT«Method 'ACCEPTS' not found for invocant of
> class 'num' [...]
> <moritz> nom: say num ~~ Num
> <p6eval> nom 97aa73: OUTPUT«Bool::False␤»
> <moritz> nom: say num ~~ Mu
> <p6eval> nom 97aa73: OUTPUT«Bool::False␤»
> <moritz> woah.
> <jnthn> nom: say int ~~ Mu
> <p6eval> nom 97aa73: OUTPUT«Bool::False␤»
> <jnthn> hm :)
> <jnthn> Well, it's a native, not an object but... :)
> <moritz> nom: say num.defined
> <p6eval> nom 97aa73: OUTPUT«Method 'defined' not found for invocant of
> class 'num' [...]
> <jnthn> Yeah, that's wrong
> <jnthn> nom: say num
> <p6eval> nom 97aa73: OUTPUT«Method 'gist' not found for invocant of
> class 'num' [...]
> <jnthn> huh
> <jnthn> I'm sure that used to work.
> <jnthn> nom: say int
> <p6eval> nom 97aa73: OUTPUT«Method 'gist' not found for invocant of
> class 'int' [...]
> <moritz> jnthn: it even says 'class' in the error message, so if it's
> a class, it must be ~~ Mu :-)
> <jnthn> I'm really sure that one did.
> <jnthn> nom: say int.^methods
> <p6eval> nom 97aa73: OUTPUT«Method 'dispatch:<.^>' not found for
> invocant of class 'int' [...]
> * moritz writes more tests
> <jnthn> nom: say int.HOW.mro(int)
> <p6eval> nom 97aa73: OUTPUT«Method 'gist' not found for invocant of
> class 'int' [...]
> <jnthn> oh
> <jnthn> that'll do it.
> <masak> bug?
> <jnthn> yeah, looks like
> * masak submits
> <jnthn> somehow it's not building the MRO properly.
> <jnthn> And since method dispatch and type checking are all done by
> MRO...yeah, not surprising.
> <jnthn> ENEEDMOARTESTS ;)
> <moritz> really? I thought the problem is that .mro returns a Parcel,
> and Parcel.gist recurses into the elements
> <moritz> and hits int.gist, and dies
> <moritz> at least that's what the p6eval output tells me

<jnthn> moritz: oh...
<jnthn> moritz: I read the wrong live of p6eval output
<jnthn> nom: say int.HOW.mro(int).elems
<p6eval> nom cbc652: OUTPUT«1␤»
<jnthn> ok, *that* is a problem :)
<moritz> aye :-)
<masak> ok, that goes into the ticket.