[perl #73768] [BUG] Maybe prefix:<~> should have a warning just like prefix:<+> does on undefined values in Rakudo

[Will Coleda via RT]

On Tue Mar 23 08:11:23 2010, masak wrote:
> <masak> rakudo: say ~(my $a)
> <p6eval> rakudo db0f85: OUTPUT«Any()␤»
> <masak> moritz_: were you saying this should generate a warning?
> <moritz_> masak: I think so... the specs are rather quiet on warnings
> * masak submits rakudobug
> <masak> Justin Case.
> <moritz_> rakudo: say +(my $a)
> <p6eval> rakudo db0f85: OUTPUT«Use of type object as value in numeric
> context [...]
> * moritz_ tries to remove that error altogether
> <masak> I think it'd merit a warning, but not an error.
> <moritz_> the current implementation tries to be very clever
> <moritz_> it does a FAIL()
> <moritz_> but the coercion to Int on the failure object immediatly
> throws the exception that's supposed to remain unthrown for now

15:45 < [Coke]> rakudo: say ~(my $a)
15:45 <+p6eval> rakudo 012e26: OUTPUT«Use of uninitialized value in 
string
                context␤␤»
15:46 < [Coke]> rakudo: say +(my $a)
15:46 <+p6eval> rakudo 012e26: OUTPUT«Use of uninitialized value in 
numeric
                context␤0␤»


We complain now.

need tests.
-- 
Will "Coke" Coleda