rust/tests/ui/manual_map_option_2.stderr

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error: manual implementation of `Option::map`
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--> $DIR/manual_map_option_2.rs:6:13
|
LL | let _ = match Some(0) {
| _____________^
LL | | Some(x) => Some({
LL | | let y = (String::new(), String::new());
LL | | (x, y.0)
LL | | }),
LL | | None => None,
LL | | };
| |_____^
|
= note: `-D clippy::manual-map` implied by `-D warnings`
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help: try
|
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LL ~ let _ = Some(0).map(|x| {
LL + let y = (String::new(), String::new());
LL + (x, y.0)
LL ~ });
|
error: manual implementation of `Option::map`
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--> $DIR/manual_map_option_2.rs:48:13
|
LL | let _ = match &s {
| _____________^
LL | | Some(x) => Some({
LL | | if let Some(ref s) = s { (x.clone(), s) } else { panic!() }
LL | | }),
LL | | None => None,
LL | | };
| |_____^
|
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help: try
|
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LL ~ let _ = s.as_ref().map(|x| {
LL + if let Some(ref s) = s { (x.clone(), s) } else { panic!() }
LL ~ });
|
error: manual implementation of `Option::map`
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--> $DIR/manual_map_option_2.rs:60:17
|
LL | let _ = match Some(0) {
| _________________^
LL | | Some(x) => Some(f(x)),
LL | | None => None,
LL | | };
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| |_________^ help: try: `Some(0).map(|x| f(x))`
error: manual implementation of `Option::map`
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--> $DIR/manual_map_option_2.rs:65:13
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LL | let _ = match Some(0) {
| _____________^
LL | | Some(x) => unsafe { Some(f(x)) },
LL | | None => None,
LL | | };
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| |_____^ help: try: `Some(0).map(|x| unsafe { f(x) })`
error: manual implementation of `Option::map`
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--> $DIR/manual_map_option_2.rs:69:13
|
LL | let _ = match Some(0) {
| _____________^
LL | | Some(x) => Some(unsafe { f(x) }),
LL | | None => None,
LL | | };
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| |_____^ help: try: `Some(0).map(|x| unsafe { f(x) })`
error: aborting due to 5 previous errors