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Tweak output of type mismatch between "then" and else if arms #57381

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merged 2 commits into from
Jan 14, 2019

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estebank
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@estebank estebank commented Jan 6, 2019

error[E0308]: if and else have incompatible types
  --> $DIR/if-else-type-mismatch.rs:5:9
   |
LL |       let _ = if true {
   |  _____________-
LL | |         42i32
   | |         ----- expected because of this
LL | |     } else {
LL | |         42u32
   | |         ^^^^^ expected i32, found u32
LL | |     };
   | |_____- if and else have incompatible types
   |
   = note: expected type `i32`
              found type `u32`

error[E0308]: if and else have incompatible types
  --> file.rs:2:38
   |
LL |     let _ = if false { 3u8; } else { 3u8 };
   |                        ----          ^^^ expected (), found u8
   |                        |  |
   |                        |  help: consider removing this semicolon
   |                        expected because of this
   |
   = note: expected type `()`
              found type `u8`

error[E0308]: if and else have incompatible types
  --> file.rs:3:37
   |
LL |     let _ = if false { 3u8 } else { 3u8; };
   |                        ---          ^^^-
   |                        |            |  |
   |                        |            |  help: consider removing this semicolon
   |                        |            expected u8, found ()
   |                        expected because of this
   |
   = note: expected type `u8`
              found type `()`

error[E0308]: if and else have incompatible types
  --> file.rs:4:37
   |
LL |     let _ = if false { 3i8 } else { 3u8 };
   |                        ---          ^^^ expected i8, found u8
   |                        |
   |                        expected because of this
   |
   = note: expected type `i8`
              found type `u8`

Fix #57348.

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r? @nikomatsakis

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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 Jan 6, 2019
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@bors r+

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bors commented Jan 7, 2019

📌 Commit 81f2cf0091fc3bc87db2093edc9b5bfca6797008 has been approved by nikomatsakis

@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-review Status: Awaiting review from the assignee but also interested parties. labels Jan 7, 2019
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bors commented Jan 10, 2019

⌛ Testing commit 81f2cf0091fc3bc87db2093edc9b5bfca6797008 with merge b366f65687a2ede5d206408861828dc32afbd17c...

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bors commented Jan 10, 2019

💔 Test failed - status-appveyor

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jan 10, 2019
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@bors retry
AppVeyor... what's wrong with you today?

@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-review Status: Awaiting review from the assignee but also interested parties. labels Jan 10, 2019
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rebased to get bors unstuck

@bors r=nikomatsakis

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bors commented Jan 13, 2019

📌 Commit 54fe1c023a178d6f27c88de90cfdeda926584d19 has been approved by nikomatsakis

bors added a commit that referenced this pull request Jan 13, 2019
Rollup of 4 pull requests

Successful merges:

 - #56874 (Simplify foreign type rendering.)
 - #57113 (Move diagnostics out from QueryJob and optimize for the case with no diagnostics)
 - #57366 (Point at match discriminant on type error in match arm pattern)
 - #57538 (librustc_mir: Fix ICE with slice patterns)

Failed merges:

 - #57381 (Tweak output of type mismatch between "then" and `else` `if` arms)

r? @ghost
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bors commented Jan 14, 2019

☔ The latest upstream changes (presumably #57580) made this pull request unmergeable. Please resolve the merge conflicts.

@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 Jan 14, 2019
@estebank
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Fixed merge conflict

@bors r=nikomatsakis

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bors commented Jan 14, 2019

📌 Commit 9567544 has been approved by nikomatsakis

@bors bors removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Jan 14, 2019
@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jan 14, 2019
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bors commented Jan 14, 2019

⌛ Testing commit 9567544 with merge 0bc0015...

bors added a commit that referenced this pull request Jan 14, 2019
Tweak output of type mismatch between "then" and `else` `if` arms

```
error[E0308]: if and else have incompatible types
  --> $DIR/if-else-type-mismatch.rs:5:9
   |
LL |       let _ = if true {
   |  _____________-
LL | |         42i32
   | |         ----- expected because of this
LL | |     } else {
LL | |         42u32
   | |         ^^^^^ expected i32, found u32
LL | |     };
   | |_____- if and else have incompatible types
   |
   = note: expected type `i32`
              found type `u32`

error[E0308]: if and else have incompatible types
  --> file.rs:2:38
   |
LL |     let _ = if false { 3u8; } else { 3u8 };
   |                        ----          ^^^ expected (), found u8
   |                        |  |
   |                        |  help: consider removing this semicolon
   |                        expected because of this
   |
   = note: expected type `()`
              found type `u8`

error[E0308]: if and else have incompatible types
  --> file.rs:3:37
   |
LL |     let _ = if false { 3u8 } else { 3u8; };
   |                        ---          ^^^-
   |                        |            |  |
   |                        |            |  help: consider removing this semicolon
   |                        |            expected u8, found ()
   |                        expected because of this
   |
   = note: expected type `u8`
              found type `()`

error[E0308]: if and else have incompatible types
  --> file.rs:4:37
   |
LL |     let _ = if false { 3i8 } else { 3u8 };
   |                        ---          ^^^ expected i8, found u8
   |                        |
   |                        expected because of this
   |
   = note: expected type `i8`
              found type `u8`
```

Fix #57348.
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bors commented Jan 14, 2019

☀️ Test successful - checks-travis, status-appveyor
Approved by: nikomatsakis
Pushing 0bc0015 to master...

@bors bors merged commit 9567544 into rust-lang:master Jan 14, 2019
@bors bors mentioned this pull request Jan 14, 2019
37 tasks
@estebank estebank deleted the if-else-308 branch November 9, 2023 05:20
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5 participants