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https://github.com/rust-lang/rust-clippy
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217965e855
Detect if the index variable is used inside a closure. Fixes #2542
94 lines
2.6 KiB
Text
94 lines
2.6 KiB
Text
error: the loop variable `i` is only used to index `ns`.
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--> $DIR/needless_range_loop.rs:8:14
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LL | for i in 3..10 {
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| ^^^^^
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= note: `-D clippy::needless-range-loop` implied by `-D warnings`
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help: consider using an iterator
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LL | for <item> in ns.iter().take(10).skip(3) {
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| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the loop variable `i` is only used to index `ms`.
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--> $DIR/needless_range_loop.rs:29:14
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LL | for i in 0..ms.len() {
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| ^^^^^^^^^^^
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help: consider using an iterator
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LL | for <item> in &mut ms {
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| ^^^^^^ ^^^^^^^
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error: the loop variable `i` is only used to index `ms`.
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--> $DIR/needless_range_loop.rs:35:14
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LL | for i in 0..ms.len() {
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| ^^^^^^^^^^^
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help: consider using an iterator
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LL | for <item> in &mut ms {
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| ^^^^^^ ^^^^^^^
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/needless_range_loop.rs:59:14
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LL | for i in x..x + 4 {
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| ^^^^^^^^
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help: consider using an iterator
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LL | for <item> in vec.iter_mut().skip(x).take(4) {
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| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the loop variable `i` is only used to index `vec`.
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--> $DIR/needless_range_loop.rs:66:14
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LL | for i in x..=x + 4 {
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| ^^^^^^^^^
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help: consider using an iterator
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LL | for <item> in vec.iter_mut().skip(x).take(4 + 1) {
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| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: the loop variable `i` is only used to index `arr`.
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--> $DIR/needless_range_loop.rs:72:14
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LL | for i in 0..3 {
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| ^^^^
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help: consider using an iterator
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LL | for <item> in &arr {
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| ^^^^^^ ^^^^
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error: the loop variable `i` is only used to index `arr`.
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--> $DIR/needless_range_loop.rs:76:14
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LL | for i in 0..2 {
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| ^^^^
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help: consider using an iterator
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LL | for <item> in arr.iter().take(2) {
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| ^^^^^^ ^^^^^^^^^^^^^^^^^^
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error: the loop variable `i` is only used to index `arr`.
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--> $DIR/needless_range_loop.rs:80:14
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LL | for i in 1..3 {
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| ^^^^
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help: consider using an iterator
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LL | for <item> in arr.iter().skip(1) {
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| ^^^^^^ ^^^^^^^^^^^^^^^^^^
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error: the loop variable `i` is used to index `vec`
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--> $DIR/needless_range_loop.rs:85:14
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LL | for i in 0..vec.len() {
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| ^^^^^^^^^^^^
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help: consider using an iterator
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LL | for (i, <item>) in vec.iter_mut().enumerate() {
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| ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 9 previous errors
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