impl trait for trait #20341
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impl trait for trait #20341
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r? @nick29581 (rust_highfive has picked a reviewer for you, use r? to override) |
src/librustc/middle/ty.rs
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This comment is for type_moves_by_default_cache, not object_safety_cache.
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r=me modulo nits |
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…; also move get_method_index into traits and give it a better name (`get_vtable_index_of_object_method`).
check it more easily; also extend object safety to cover sized types as well as static methods. This makes it sufficient so that we can always ensure that `Foo : Foo` holds for any trait `Foo`.
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alexcrichton
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Conflicts: src/librustc/middle/traits/mod.rs src/libstd/io/mod.rs src/test/run-pass/builtin-superkinds-self-type.rs
This was referenced Jan 4, 2015
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Code that ensures that every trait object
Fooimplements the traitFoo.This requires patching up some object safety concerns. Also more-or-less requires removing the default
Sizedbound forSelf. Don't merge yet until we we reach final decision on these language changes.