[Ironruby-core] mixing in a C# interface which declares generic return types

[Ben Keeping]

Hi,
I'm trying to mixin a C# interface into a ruby class, in order to use it as
a mock.

My Ruby class :

class MockFoo
  include IFoo
end

The C# interface :

public interface IFoo {
  T Get<T>();   // this is OK
  IEnumerable<T> GetAll(); // this fails
}

When calling MockFoo.new, I get the following error :

      Method
System.Runtime.CompilerServices.CallSite`1[System.Func`4[System.Runtime.CompilerServices.CallSite,IronRuby.Runtime.RubyContext,System.Object,System.Collections.Generic.IEnumerable`1[T]]]
Create(System.Runtime.CompilerServices.CallSiteBinder) contains generic
parameters (ArgumentError)
      System.Core:0:in `ValidateMethodInfo'
      System.Core:0:in `Call'
      System.Core:0:in `BindCore'

./features/registration/send_verification_email/send_verification_email_steps.rb:18

features\registration\send_verification_email\send_verification_email.feature:9:in
`When I register'

Its OK for methods like :

T Get()
or
T DoStuff(T bla)

But whenever I try to return a collection of T :

IEnumerable<T> GetAll();

it fails.

Any ideas ?

Cheers,
Ben

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