Make fmt::Write a diagnostic item
#147337
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@bors r+ rollup |
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matthiaskrgr
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Make `fmt::Write` a diagnostic item I'm working on an enhancement to [`clippy::format_push_string`](https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string), which would suggest an autofix to replace `push_str`/`+=` with `write!`. But that could require importing `std::fmt::Write`, and so I need this diagnostic item to check if it's already in scope. The reason I called it `FmtWrite` and not just `Write` is that there's already an `IoWrite` defined.
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Rollup of 6 pull requests Successful merges: - #143900 ([rustdoc] Correctly handle `should_panic` doctest attribute and fix `--no-run` test flag on the 2024 edition) - #144908 (Fix doctest output json) - #147309 (Add documentation about unwinding to wasm targets) - #147328 (Implement non-poisoning `Mutex::with_mut`, `RwLock::with` and `RwLock::with_mut`) - #147337 (Make `fmt::Write` a diagnostic item) - #147349 (Improve the advice given by panic_immediate_abort) r? `@ghost` `@rustbot` modify labels: rollup
Zalathar
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Make `fmt::Write` a diagnostic item I'm working on an enhancement to [`clippy::format_push_string`](https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string), which would suggest an autofix to replace `push_str`/`+=` with `write!`. But that could require importing `std::fmt::Write`, and so I need this diagnostic item to check if it's already in scope. The reason I called it `FmtWrite` and not just `Write` is that there's already an `IoWrite` defined.
Zalathar
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Make `fmt::Write` a diagnostic item I'm working on an enhancement to [`clippy::format_push_string`](https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string), which would suggest an autofix to replace `push_str`/`+=` with `write!`. But that could require importing `std::fmt::Write`, and so I need this diagnostic item to check if it's already in scope. The reason I called it `FmtWrite` and not just `Write` is that there's already an `IoWrite` defined.
bors
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Oct 5, 2025
Rollup of 8 pull requests Successful merges: - #143900 ([rustdoc] Correctly handle `should_panic` doctest attribute and fix `--no-run` test flag on the 2024 edition) - #147288 (compiletest: Make `DirectiveLine` responsible for name/value splitting) - #147309 (Add documentation about unwinding to wasm targets) - #147310 (Mark `PatternTypo` suggestion as maybe incorrect) - #147320 (Avoid to suggest pattern match on the similarly named in fn signature) - #147328 (Implement non-poisoning `Mutex::with_mut`, `RwLock::with` and `RwLock::with_mut`) - #147337 (Make `fmt::Write` a diagnostic item) - #147349 (Improve the advice given by panic_immediate_abort) r? `@ghost` `@rustbot` modify labels: rollup
bors
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Rollup of 7 pull requests Successful merges: - #147288 (compiletest: Make `DirectiveLine` responsible for name/value splitting) - #147309 (Add documentation about unwinding to wasm targets) - #147310 (Mark `PatternTypo` suggestion as maybe incorrect) - #147320 (Avoid to suggest pattern match on the similarly named in fn signature) - #147328 (Implement non-poisoning `Mutex::with_mut`, `RwLock::with` and `RwLock::with_mut`) - #147337 (Make `fmt::Write` a diagnostic item) - #147349 (Improve the advice given by panic_immediate_abort) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Rollup merge of #147337 - ada4a:write-diag-item, r=fmease Make `fmt::Write` a diagnostic item I'm working on an enhancement to [`clippy::format_push_string`](https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string), which would suggest an autofix to replace `push_str`/`+=` with `write!`. But that could require importing `std::fmt::Write`, and so I need this diagnostic item to check if it's already in scope. The reason I called it `FmtWrite` and not just `Write` is that there's already an `IoWrite` defined.
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I'm working on an enhancement to
clippy::format_push_string, which would suggest an autofix to replacepush_str/+=withwrite!. But that could require importingstd::fmt::Write, and so I need this diagnostic item to check if it's already in scope.The reason I called it
FmtWriteand not justWriteis that there's already anIoWritedefined.