mirror of
https://github.com/rust-lang/rust-clippy
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38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
115 lines
3.4 KiB
Text
115 lines
3.4 KiB
Text
error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:6:5
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LL | / loop {
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LL | | if let Some(_x) = y {
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LL | | let _v = 1;
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LL | | } else {
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LL | | break;
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LL | | }
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LL | | }
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| |_____^ help: try: `while let Some(_x) = y { .. }`
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= note: `-D clippy::while-let-loop` implied by `-D warnings`
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error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:20:5
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LL | / loop {
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LL | | match y {
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LL | | Some(_x) => true,
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LL | | None => break,
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LL | | };
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LL | | }
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| |_____^ help: try: `while let Some(_x) = y { .. }`
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error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:26:5
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LL | / loop {
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LL | | let x = match y {
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LL | | Some(x) => x,
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LL | | None => break,
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... |
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LL | | let _str = "foo";
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LL | | }
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| |_____^ help: try: `while let Some(x) = y { .. }`
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error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:34:5
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LL | / loop {
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LL | | let x = match y {
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LL | | Some(x) => x,
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LL | | None => break,
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... |
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LL | | }
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LL | | }
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| |_____^ help: try: `while let Some(x) = y { .. }`
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error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:62:5
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LL | / loop {
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LL | | let (e, l) = match "".split_whitespace().next() {
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LL | | Some(word) => (word.is_empty(), word.len()),
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LL | | None => break,
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... |
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LL | | let _ = (e, l);
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LL | | }
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| |_____^ help: try: `while let Some(word) = "".split_whitespace().next() { .. }`
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error: this loop could be written as a `for` loop
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--> $DIR/while_loop.rs:72:33
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LL | while let Option::Some(x) = iter.next() {
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| ^^^^^^^^^^^ help: try: `for x in iter { .. }`
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= note: `-D clippy::while-let-on-iterator` implied by `-D warnings`
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error: this loop could be written as a `for` loop
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--> $DIR/while_loop.rs:77:25
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LL | while let Some(x) = iter.next() {
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| ^^^^^^^^^^^ help: try: `for x in iter { .. }`
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error: this loop could be written as a `for` loop
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--> $DIR/while_loop.rs:82:25
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LL | while let Some(_) = iter.next() {}
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| ^^^^^^^^^^^ help: try: `for _ in iter { .. }`
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error: this loop could be written as a `while let` loop
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--> $DIR/while_loop.rs:125:5
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LL | / loop {
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LL | | let _ = match iter.next() {
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LL | | Some(ele) => ele,
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LL | | None => break,
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LL | | };
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LL | | loop {}
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LL | | }
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| |_____^ help: try: `while let Some(ele) = iter.next() { .. }`
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error: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
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--> $DIR/while_loop.rs:130:9
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LL | loop {}
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| ^^^^^^^
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= note: `-D clippy::empty-loop` implied by `-D warnings`
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error: this loop could be written as a `for` loop
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--> $DIR/while_loop.rs:188:29
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LL | while let Some(v) = y.next() {
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| ^^^^^^^^ help: try: `for v in y { .. }`
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error: this loop could be written as a `for` loop
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--> $DIR/while_loop.rs:216:26
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LL | while let Some(..) = values.iter().next() {
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| ^^^^^^^^^^^^^^^^^^^^ help: try: `for _ in values.iter() { .. }`
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error: aborting due to 12 previous errors
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