Issue a warning when `module` or `class` keyword causes re-initialization of a constant that will become the module/class name, instead of creating/reopening the module/class
I think that it would be appropriate to issue a warning similar to "warning: already initialized constant" when "
module" or "
class" keyword causes re-initialization of a constant. Here is an example of code that looks suspicious to me and IMO should issue such a warning:
module A module B C = 1 end end module D include A end puts D.constants # => B puts D::B # => A::B puts D::B::C # => 1 module D::B end puts D.constants # => B puts D::B # => D::B puts D::B::C # => uninitialized constant D::B::C (NameError)
P.S. I think this behavior is related to the impossibility to re-open anonymous classes/modules and to the somewhat strange IMO scoping rules for constants :).
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