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authorbors <bors@rust-lang.org>2017-07-31 20:47:42 +0000
committerbors <bors@rust-lang.org>2017-07-31 20:47:42 +0000
commit37c7d0ebb3ec5b62bd37df9ee8826194e3c6300a (patch)
treee4f9fd14238ef8bc56860caf3a01825306a546c7 /src/rustllvm/PassWrapper.cpp
parent2a6828e7f1ed3163a2797f0a111570ef130f7b6b (diff)
parent8f67f1efaf792a0c3ef629e1e62e53eba7365a1c (diff)
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Auto merge of #43399 - tschottdorf:bndmode-pat-adjustments, r=nikomatsakis
default binding modes: add pat_binding_modes

This PR kicks off the implementation of the [default binding modes RFC][1] by
introducing the `pat_binding_modes` typeck table mentioned in the [mentoring
instructions][2].

It is a WIP because I wasn't able to avoid all uses of the binding modes as
not all call sites are close enough to the typeck tables. I added marker
comments to any line matching `BindByRef|BindByValue` so that reviewers
are aware of all of them.

I will look into changing the HIR (as suggested in [2]) to not carry a
`BindingMode` unless one was explicitly specified, but this PR is good for
a first round of comments.

The actual changes are quite small and CI will fail due to overlong lines
caused by the marker comments.

See #42640.

cc @nikomatsakis

[1]: https://github.com/rust-lang/rfcs/pull/2005
[2]: https://github.com/rust-lang/rust/issues/42640#issuecomment-313535089
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