rust/tests/ui/needless_range_loop.stderr
Michael Wright 217965e855 Fix needless_range_loop bad suggestion
Detect if the index variable is used inside a closure.

Fixes #2542
2019-02-11 07:03:12 +02:00

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