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Account for tail expressions when pointing at return type #64802

Merged
merged 4 commits into from
Sep 28, 2019
Merged

Account for tail expressions when pointing at return type #64802

merged 4 commits into from
Sep 28, 2019

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estebank
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@estebank estebank commented Sep 26, 2019 •
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When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.

Turn walk_parent_nodes method into an iterator.

CC #39968, CC #40799.

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r? @matthewjasper

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Sep 26, 2019
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r=me with comment addressed

src/librustc/hir/map/mod.rs Outdated Show resolved Hide resolved
@matthewjasper matthewjasper added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 26, 2019
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@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Sep 26, 2019
Centril added a commit to Centril/rust that referenced this pull request Sep 27, 2019
@Centril
Rollup merge of rust-lang#64802 - estebank:walk-parents-iterator, r=m…
ea31935 
…atthewjasper

Account for tail expressions when pointing at return type

When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.

Turn `walk_parent_nodes` method into an iterator.

CC rust-lang#39968, CC rust-lang#40799.
@Centril Centril mentioned this pull request Sep 27, 2019
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@estebank estebank mentioned this pull request Sep 27, 2019
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@bors bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Sep 27, 2019
@estebank
Turn walk_parent_nodes method into an iterator
faee8e1
@estebank
Account for tail expressions when pointing at return type
46a38dc 
When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.
@estebank
review comments
e537d06
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bors commented Sep 27, 2019

📌 Commit a284822 has been approved by matthewjasper

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Sep 27, 2019
Centril added a commit to Centril/rust that referenced this pull request Sep 28, 2019
@Centril
Rollup merge of rust-lang#64802 - estebank:walk-parents-iterator, r=m…
4633816 
…atthewjasper

Account for tail expressions when pointing at return type

When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.

Turn `walk_parent_nodes` method into an iterator.

CC rust-lang#39968, CC rust-lang#40799.
@Centril Centril mentioned this pull request Sep 28, 2019
Closed
bors added a commit that referenced this pull request Sep 28, 2019
@bors
Auto merge of #64860 - Centril:rollup-h84usom, r=Centril
2d52243 
Rollup of 14 pull requests

Successful merges:

 - #63492 (Remove redundancy from the implementation of C variadics.)
 - #64703 (Docs: slice elements are equidistant)
 - #64745 (Include message on tests that should panic but do not)
 - #64781 (Remove stray references to the old global tcx)
 - #64794 (Remove unused DepTrackingMap)
 - #64802 (Account for tail expressions when pointing at return type)
 - #64809 (hir: Disallow `target_feature` on constants)
 - #64815 (Fix div_duration() marked as stable by mistake)
 - #64818 (update rtpSpawn's parameters type(It's prototype has been updated in libc))
 - #64830 (Thou shallt not `.abort_if_errors()`)
 - #64836 (Stabilize map_get_key_value feature)
 - #64845 (pin.rs: fix links to primitives in documentation)
 - #64847 (Upgrade env_logger to 0.7)
 - #64851 (Add mailmap entry for Dustin Bensing by request)

Failed merges:

 - #64824 (No StableHasherResult everywhere)

r? @ghost
Centril added a commit to Centril/rust that referenced this pull request Sep 28, 2019
@Centril
Rollup merge of rust-lang#64802 - estebank:walk-parents-iterator, r=m…
5b6a580 
…atthewjasper

Account for tail expressions when pointing at return type

When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.

Turn `walk_parent_nodes` method into an iterator.

CC rust-lang#39968, CC rust-lang#40799.
@Centril Centril mentioned this pull request Sep 28, 2019
Merged
bors added a commit that referenced this pull request Sep 28, 2019
@bors
Auto merge of #64864 - Centril:rollup-pxz6tw3, r=Centril
f3c8eba 
Rollup of 14 pull requests

Successful merges:

 - #64703 (Docs: slice elements are equidistant)
 - #64745 (Include message on tests that should panic but do not)
 - #64781 (Remove stray references to the old global tcx)
 - #64794 (Remove unused DepTrackingMap)
 - #64802 (Account for tail expressions when pointing at return type)
 - #64809 (hir: Disallow `target_feature` on constants)
 - #64815 (Fix div_duration() marked as stable by mistake)
 - #64818 (update rtpSpawn's parameters type(It's prototype has been updated in libc))
 - #64830 (Thou shallt not `.abort_if_errors()`)
 - #64836 (Stabilize map_get_key_value feature)
 - #64845 (pin.rs: fix links to primitives in documentation)
 - #64847 (Upgrade env_logger to 0.7)
 - #64851 (Add mailmap entry for Dustin Bensing by request)
 - #64859 (check_match: improve diagnostics for `let A = 2;` with `const A: i32 = 3`)

Failed merges:

r? @ghost
@bors bors merged commit a284822 into rust-lang:master Sep 28, 2019
@nikomatsakis nikomatsakis mentioned this pull request Feb 14, 2020
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