Better suggestions for Fn-family trait selection errors
#95260
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…askrgr Rollup of 6 pull requests Successful merges: - rust-lang#95032 (Clean up, categorize and sort unstable features in std.) - rust-lang#95260 (Better suggestions for `Fn`-family trait selection errors) - rust-lang#95293 (suggest wrapping single-expr blocks in square brackets) - rust-lang#95344 (Make `impl Debug for rustdoc::clean::Item` easier to read) - rust-lang#95388 (interpret: make isize::MAX the limit for dynamic value sizes) - rust-lang#95530 (rustdoc: do not show primitives and keywords as private) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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std::ops::Fn{,Mut,Once}bounds when a type already implementsFn{,Mut,Once}Fn{,Mut,Once}, but the arguments vary (either by number or by actual arguments)Fn{,Mut,Once}, but not the right one (e.g. implementsFnMut, butFnis required).Fixes #95147