extract expected return type for async fn generators - #64999

Merged

bors merged 16 commits into

rust-lang:masterfrom

nikomatsakis:issue-60424-async-return-inference

Oct 3, 2019

Commits on Oct 2, 2019

track the kind of async generator we are creating
nikomatsakis
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c845f3d
thread down the body so we can check if this is an async fn body
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44e801a
improved debug output
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c8e5851
extract expected return type from `-> impl Future` obligation
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f7ed53c
WIP tidy hir/lowering/expr.rs
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094f3a8
WIP rebase for `shallow_resolve` call
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81cd596
WIP fix tests
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dce20bf
correct coercion comments
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3ae4abb
improve comments on `GeneratorKind` and `AsyncGeneratorKind`
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a999132
document `ret_coercion` and `ret_coercion_span`
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5d64b3d
document `shallow_resolve`
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5fea1d2
s/`async` fn/`async fn`/
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3f277e1
avoid using `skip_binder` and instead look for bound vars properly
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a96bce7
add unsize slice-str coercion
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4a49351
fix example (le sigh)
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19c07cc

Commits on Oct 3, 2019

./x.py test --bless --compare-mode=nll
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a807032