[Perl5-syntax] signature syntax for method return values

[Michael G Schwern]

Florian Ragwitz wrote:
> I wanted to add return value type constraints to
> MooseX::Method::Signatures for a while now, but I have no idea what the
> signature syntax for that should look like.
> 
> Any ideas?
> 
> I was thinking something like
> 
>   method foo (Str $a, Int $b $some_seperator HashRef) { ... }
> 
> or
> 
>   method foo (Str $a, Int $b) $some_seperator HashRef { ... }
> 
> where $some_seperator might be something like '-->', '->', '→' or
> 'Returns'.

My strongest feeling is that the return value should *not* be inside the
argument parens.  They should be clearly separated.  So the latter.

I also like "returns", no need to capitalize it, rather than Yet Another
Mysterious Operator.  It's dead obvious what it's going to do.


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