doc: introduce once in iter::chain document
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r? @cramertj (rust_highfive has picked a reviewer for you, use r? to override) |
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doc: introduce `once` in `iter::chain` document I find it hard to find which one to use with `chain` when I only need to chain one value. Also [`once`][1] talks about `chain`. [1]: https://doc.rust-lang.org/nightly/std/iter/fn.once.html
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The example compiles on godbolt: https://rust.godbolt.org/z/Edpz4b |
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doc: introduce `once` in `iter::chain` document I find it hard to find which one to use with `chain` when I only need to chain one value. Also [`once`][1] talks about `chain`. [1]: https://doc.rust-lang.org/nightly/std/iter/fn.once.html
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Rollup of 9 pull requests Successful merges: - #65563 (Add long error explanation for E0587) - #65640 (Use heuristics to recover parsing of missing `;`) - #65643 (Correct handling of type flags with `ConstValue::Placeholder`) - #65825 (rustc: use IndexVec<DefIndex, T> instead of Vec<T>.) - #65858 (suggest `const_in_array_repeat_expression` flag) - #65877 (doc: introduce `once` in `iter::chain` document) - #65887 (doc: mention `get(_mut)` in Vec) - #65891 (self-profiling: Record something more useful for crate metadata generation event.) - #65893 (Output previous stable error messaging when using stable build.) Failed merges: r? @ghost
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I find it hard to find which one to use with
chainwhen I only need tochain one value. Also
oncetalks aboutchain.