[Perl5-syntax] How to test for a role in a method signature

[Michael G Schwern]

On 2011.3.8 3:15 PM, Buddy Burden wrote:
>> [1] What are we calling these class/type/role things?
> 
> Good question.  In my head, I just call them "types" ... when you say
> "Foo::Bar $foo", the "Foo::Bar" part isn't _technically_ a class; it's
> actually a type that happens to correspond to a class.  But I suppose
> that's really a semantic distinction (and/or an implementation
> detail).  

We could call them types if types didn't already mean something specific in
Moose.  "template" has C++ baggage we don't want to drag in.  Hrm.


> We could refer to them as "constraints" I suppose ... type
> constraints, class constraints, and role constraints. <shrug>

Technically they are a constraint, but "where" is already called constraints,
and that lines up with vocabulary in other languages like SQL.


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