Add a regression test for #123630 #127160
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compiler should not suggest nonsensical signatures, original suggestion was
error[E0308]: mismatched types
--> src/lib.rs:3:31
|
3 | fn select<F, I>(filter: F) -> Select<F, I> {
| ------ ^^^^^^^^^^^^ expected `Select<F, I>`, found `()`
| |
| implicitly returns `()` as its body has no tail or `return` expression
|
= note: expected struct `Select<F, I>`
found unit type `()`
error[E0282]: type annotations needed for `Select<{closure@src/lib.rs:8:22: 8:25}, I>`
--> src/lib.rs:8:9
|
8 | let lit = select(|x| match x {
| ^^^
|
help: consider giving `lit` an explicit type, where the type for type parameter `I` is specified
|
8 | let lit: Select<{closure@src/lib.rs:8:22: 8:25}, I> = select(|x| match x {
| ++++++++++++++++++++++++++++++++++++++++++++
Some errors have detailed explanations: E0282, E0308.
For more information about an error, try `rustc --explain E0282`.
|
r? @Nadrieril rustbot has assigned @Nadrieril. Use |
|
Thanks! @bors r+ rollup |
matthiaskrgr
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Add a regression test for rust-lang#123630 Fixes rust-lang#123630 compiler should not suggest nonsensical signatures, original suggestion was ``` error[E0308]: mismatched types --> src/lib.rs:3:31 | 3 | fn select<F, I>(filter: F) -> Select<F, I> { | ------ ^^^^^^^^^^^^ expected `Select<F, I>`, found `()` | | | implicitly returns `()` as its body has no tail or `return` expression | = note: expected struct `Select<F, I>` found unit type `()` error[E0282]: type annotations needed for `Select<{closure@src/lib.rs:8:22: 8:25}, I>` --> src/lib.rs:8:9 | 8 | let lit = select(|x| match x { | ^^^ | help: consider giving `lit` an explicit type, where the type for type parameter `I` is specified | 8 | let lit: Select<{closure@src/lib.rs:8:22: 8:25}, I> = select(|x| match x { | ++++++++++++++++++++++++++++++++++++++++++++ Some errors have detailed explanations: E0282, E0308. For more information about an error, try `rustc --explain E0282`. ```
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#126018 (Remove the `box_pointers` lint.) - rust-lang#126895 (Fix simd_gather documentation) - rust-lang#126981 (Replace some magic booleans in match-lowering with enums) - rust-lang#127069 (small correction to fmt::Pointer impl) - rust-lang#127157 (coverage: Avoid getting extra unexpansion info when we don't need it) - rust-lang#127160 (Add a regression test for rust-lang#123630) - rust-lang#127161 (Improve `run-make-support` library `args` API) - rust-lang#127162 (Subtree sync for rustc_codegen_cranelift) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#126018 (Remove the `box_pointers` lint.) - rust-lang#126895 (Fix simd_gather documentation) - rust-lang#126981 (Replace some magic booleans in match-lowering with enums) - rust-lang#127038 (Update test comment) - rust-lang#127053 (Update the LoongArch target documentation) - rust-lang#127069 (small correction to fmt::Pointer impl) - rust-lang#127157 (coverage: Avoid getting extra unexpansion info when we don't need it) - rust-lang#127160 (Add a regression test for rust-lang#123630) - rust-lang#127161 (Improve `run-make-support` library `args` API) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Jun 30, 2024
…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#126018 (Remove the `box_pointers` lint.) - rust-lang#126895 (Fix simd_gather documentation) - rust-lang#126981 (Replace some magic booleans in match-lowering with enums) - rust-lang#127038 (Update test comment) - rust-lang#127053 (Update the LoongArch target documentation) - rust-lang#127069 (small correction to fmt::Pointer impl) - rust-lang#127157 (coverage: Avoid getting extra unexpansion info when we don't need it) - rust-lang#127160 (Add a regression test for rust-lang#123630) - rust-lang#127161 (Improve `run-make-support` library `args` API) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Jun 30, 2024
Rollup merge of rust-lang#127160 - pacak:123630-test, r=Nadrieril Add a regression test for rust-lang#123630 Fixes rust-lang#123630 compiler should not suggest nonsensical signatures, original suggestion was ``` error[E0308]: mismatched types --> src/lib.rs:3:31 | 3 | fn select<F, I>(filter: F) -> Select<F, I> { | ------ ^^^^^^^^^^^^ expected `Select<F, I>`, found `()` | | | implicitly returns `()` as its body has no tail or `return` expression | = note: expected struct `Select<F, I>` found unit type `()` error[E0282]: type annotations needed for `Select<{closure@src/lib.rs:8:22: 8:25}, I>` --> src/lib.rs:8:9 | 8 | let lit = select(|x| match x { | ^^^ | help: consider giving `lit` an explicit type, where the type for type parameter `I` is specified | 8 | let lit: Select<{closure@src/lib.rs:8:22: 8:25}, I> = select(|x| match x { | ++++++++++++++++++++++++++++++++++++++++++++ Some errors have detailed explanations: E0282, E0308. For more information about an error, try `rustc --explain E0282`. ```
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Fixes #123630
compiler should not suggest nonsensical signatures, original suggestion was