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Rollup merge of #126455 - surechen:fix_126222, r=estebank
For [E0308]: mismatched types, when expr is in an arm's body, not add semicolon ';' at the end of it. For [E0308]: mismatched types, when expr is in an arm's body, and it is the end expr without a semicolon of the block, not add semicolon ';' at the end of it. fixes #126222 <!-- If this PR is related to an unstable feature or an otherwise tracked effort, please link to the relevant tracking issue here. If you don't know of a related tracking issue or there are none, feel free to ignore this. This PR will get automatically assigned to a reviewer. In case you would like a specific user to review your work, you can assign it to them by using r? <reviewer name> -->
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34 changes: 34 additions & 0 deletions
34
tests/ui/mismatched_types/mismatched-types-issue-126222.fixed
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,34 @@ | ||
//@ run-rustfix | ||
#![allow(unreachable_code, dead_code)] | ||
|
||
fn main() { | ||
fn mismatch_types1() -> i32 { | ||
match 1 { | ||
x => return dbg!(x), //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
|
||
fn mismatch_types2() -> i32 { | ||
match 2 { | ||
x => { | ||
return dbg!(x) //~ ERROR mismatched types | ||
} | ||
} | ||
todo!() | ||
} | ||
|
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fn mismatch_types3() -> i32 { | ||
match 1 { | ||
_ => return dbg!(1) //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
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fn mismatch_types4() -> i32 { | ||
match 1 { | ||
_ => {return dbg!(1)} //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
} |
34 changes: 34 additions & 0 deletions
34
tests/ui/mismatched_types/mismatched-types-issue-126222.rs
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,34 @@ | ||
//@ run-rustfix | ||
#![allow(unreachable_code, dead_code)] | ||
|
||
fn main() { | ||
fn mismatch_types1() -> i32 { | ||
match 1 { | ||
x => dbg!(x), //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
|
||
fn mismatch_types2() -> i32 { | ||
match 2 { | ||
x => { | ||
dbg!(x) //~ ERROR mismatched types | ||
} | ||
} | ||
todo!() | ||
} | ||
|
||
fn mismatch_types3() -> i32 { | ||
match 1 { | ||
_ => dbg!(1) //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
|
||
fn mismatch_types4() -> i32 { | ||
match 1 { | ||
_ => {dbg!(1)} //~ ERROR mismatched types | ||
} | ||
todo!() | ||
} | ||
} |
51 changes: 51 additions & 0 deletions
51
tests/ui/mismatched_types/mismatched-types-issue-126222.stderr
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error[E0308]: mismatched types | ||
--> $DIR/mismatched-types-issue-126222.rs:7:18 | ||
| | ||
LL | x => dbg!(x), | ||
| ^^^^^^^ expected `()`, found integer | ||
| | ||
= note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
help: you might have meant to return this value | ||
| | ||
LL | x => return dbg!(x), | ||
| ++++++ | ||
|
||
error[E0308]: mismatched types | ||
--> $DIR/mismatched-types-issue-126222.rs:15:17 | ||
| | ||
LL | dbg!(x) | ||
| ^^^^^^^ expected `()`, found integer | ||
| | ||
= note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
help: you might have meant to return this value | ||
| | ||
LL | return dbg!(x) | ||
| ++++++ | ||
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error[E0308]: mismatched types | ||
--> $DIR/mismatched-types-issue-126222.rs:23:18 | ||
| | ||
LL | _ => dbg!(1) | ||
| ^^^^^^^ expected `()`, found integer | ||
| | ||
= note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
help: you might have meant to return this value | ||
| | ||
LL | _ => return dbg!(1) | ||
| ++++++ | ||
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error[E0308]: mismatched types | ||
--> $DIR/mismatched-types-issue-126222.rs:30:19 | ||
| | ||
LL | _ => {dbg!(1)} | ||
| ^^^^^^^ expected `()`, found integer | ||
| | ||
= note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
help: you might have meant to return this value | ||
| | ||
LL | _ => {return dbg!(1)} | ||
| ++++++ | ||
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error: aborting due to 4 previous errors | ||
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For more information about this error, try `rustc --explain E0308`. |