diag: improve closure/generic parameter mismatch #76711
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This commit improves the diagnostic when a type parameter is expected and a closure is found, noting that each closure has a distinct type and therefore could not always match the caller-chosen type of the parameter. Signed-off-by: David Wood <david@davidtw.co>
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…, r=estebank diag: improve closure/generic parameter mismatch Fixes rust-lang#51154. This PR improves the diagnostic when a type parameter is expected and a closure is found, noting that each closure has a distinct type and therefore could not always match the caller-chosen type of the parameter. r? @estebank
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…, r=estebank diag: improve closure/generic parameter mismatch Fixes rust-lang#51154. This PR improves the diagnostic when a type parameter is expected and a closure is found, noting that each closure has a distinct type and therefore could not always match the caller-chosen type of the parameter. r? @estebank
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Rollup of 7 pull requests Successful merges: - rust-lang#76454 (UI to unit test for those using Cell/RefCell/UnsafeCell) - rust-lang#76474 (Add option to pass a custom codegen backend from a driver) - rust-lang#76711 (diag: improve closure/generic parameter mismatch) - rust-lang#77170 (Remove `#[rustc_allow_const_fn_ptr]` and add `#![feature(const_fn_fn_ptr_basics)]`) - rust-lang#77194 (Add doc alias for iterator fold) - rust-lang#77288 (fix building libstd for Miri on macOS) - rust-lang#77295 (Update unstable-book: Fix ABNF in inline assembly docs) Failed merges: r? `@ghost`
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Fixes #51154.
This PR improves the diagnostic when a type parameter is expected and a closure is found, noting that each closure has a distinct type and therefore could not always match the caller-chosen type of the parameter.
r? @estebank