Document associativity of iterator folds. #86415
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Document the associativity of `Iterator::fold` and `DoubleEndedIterator::rfold` and add examples demonstrating this. Add links to direct users to the fold of the opposite associativity.
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Rollup of 8 pull requests Successful merges: - rust-lang#86137 (Error code cleanup and enforce checks) - rust-lang#86296 (Add documentation for various THIR structs) - rust-lang#86415 (Document associativity of iterator folds.) - rust-lang#86533 (Support lowercase error codes in `--explain`) - rust-lang#86536 (Edition 2021 enables disjoint capture) - rust-lang#86560 (Update cargo) - rust-lang#86561 (chore(rustdoc): Remove unused impl block) - rust-lang#86566 (Use `use_verbose` for `mir::Constant`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Document the associativity of
Iterator::foldandDoubleEndedIterator::rfoldand add examples demonstrating this.Add links to direct users to the fold of the opposite associativity.