Fix type lambda reductions involving refinements #6272
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Given:
type F[X] = Foo[X]
We've always been able to reduce `F[_]` to `Foo[_]` if `Foo` is a class.
This commit does something similar for refinements, given:
type G[X] = Bla { type R = X }
We can reduce `G[_]` to `Bar { type R }` (previously we reduced it to
`Bar { type R = Any }` which is incorrect).
odersky
approved these changes
Apr 10, 2019
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Given:
We've always been able to reduce
F[_]toFoo[_]ifFoois a class.This commit does something similar for refinements, given:
We can reduce
G[_]toBar { type R }(previously we reduced it toBar { type R = Any }which is incorrect).