Implement arbitrary_self_types#45870

Merged

bors merged 26 commits intorust-lang:masterfrom

mikeyhew:arbitrary_self_types

Nov 12, 2017

Commits on Nov 7, 2017

Commits on Nov 8, 2017

modify ExplicitSelf::determine to take an `is_self_type` predicate closure, instead of infcx
mikeyhew
committed
move ExplicitSelf to rustc::ty::util, and use it to implement object safety checks
mikeyhew
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normalize associated types in both self_ty and self_arg_ty
mikeyhew
committed
Switch from using At::eq to InferCtxt::can_eq and demand_eqtype_with_origin
mikeyhew
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add a NOTE comment to the object safety test so that it passes
mikeyhew
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Remove the error check that I think is redundant, and change the test error messages that I don't understand why they changed, so the tests pass
mikeyhew
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tidy things up a bit
mikeyhew
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shorten line length for tidy
mikeyhew
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fix error message in arbitrary-self-types-not-object-safe test
mikeyhew
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update ui test to new error message
mikeyhew
committed