rust/tests/ui/for_loop.stderr
2018-10-30 21:25:34 +01:00

422 lines
14 KiB
Plaintext

error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:38:14
|
38 | for i in 0..vec.len() {
| ^^^^^^^^^^^^
|
= note: `-D clippy::needless-range-loop` implied by `-D warnings`
help: consider using an iterator
|
38 | for <item> in &vec {
| ^^^^^^ ^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:47:14
|
47 | for i in 0..vec.len() {
| ^^^^^^^^^^^^
help: consider using an iterator
|
47 | for <item> in &vec {
| ^^^^^^ ^^^^
error: the loop variable `j` is only used to index `STATIC`.
--> $DIR/for_loop.rs:52:14
|
52 | for j in 0..4 {
| ^^^^
help: consider using an iterator
|
52 | for <item> in &STATIC {
| ^^^^^^ ^^^^^^^
error: the loop variable `j` is only used to index `CONST`.
--> $DIR/for_loop.rs:56:14
|
56 | for j in 0..4 {
| ^^^^
help: consider using an iterator
|
56 | for <item> in &CONST {
| ^^^^^^ ^^^^^^
error: the loop variable `i` is used to index `vec`
--> $DIR/for_loop.rs:60:14
|
60 | for i in 0..vec.len() {
| ^^^^^^^^^^^^
help: consider using an iterator
|
60 | for (i, <item>) in vec.iter().enumerate() {
| ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec2`.
--> $DIR/for_loop.rs:68:14
|
68 | for i in 0..vec.len() {
| ^^^^^^^^^^^^
help: consider using an iterator
|
68 | for <item> in vec2.iter().take(vec.len()) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:72:14
|
72 | for i in 5..vec.len() {
| ^^^^^^^^^^^^
help: consider using an iterator
|
72 | for <item> in vec.iter().skip(5) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:76:14
|
76 | for i in 0..MAX_LEN {
| ^^^^^^^^^^
help: consider using an iterator
|
76 | for <item> in vec.iter().take(MAX_LEN) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:80:14
|
80 | for i in 0..=MAX_LEN {
| ^^^^^^^^^^^
help: consider using an iterator
|
80 | for <item> in vec.iter().take(MAX_LEN + 1) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:84:14
|
84 | for i in 5..10 {
| ^^^^^
help: consider using an iterator
|
84 | for <item> in vec.iter().take(10).skip(5) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is only used to index `vec`.
--> $DIR/for_loop.rs:88:14
|
88 | for i in 5..=10 {
| ^^^^^^
help: consider using an iterator
|
88 | for <item> in vec.iter().take(10 + 1).skip(5) {
| ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is used to index `vec`
--> $DIR/for_loop.rs:92:14
|
92 | for i in 5..vec.len() {
| ^^^^^^^^^^^^
help: consider using an iterator
|
92 | for (i, <item>) in vec.iter().enumerate().skip(5) {
| ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: the loop variable `i` is used to index `vec`
--> $DIR/for_loop.rs:96:14
|
96 | for i in 5..10 {
| ^^^^^
help: consider using an iterator
|
96 | for (i, <item>) in vec.iter().enumerate().take(10).skip(5) {
| ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:100:14
|
100 | for i in 10..0 {
| ^^^^^
|
= note: `-D clippy::reverse-range-loop` implied by `-D warnings`
help: consider using the following if you are attempting to iterate over this range in reverse
|
100 | for i in (0..10).rev() {
| ^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:104:14
|
104 | for i in 10..=0 {
| ^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
104 | for i in (0...10).rev() {
| ^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:108:14
|
108 | for i in MAX_LEN..0 {
| ^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
108 | for i in (0..MAX_LEN).rev() {
| ^^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:112:14
|
112 | for i in 5..5 {
| ^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:137:14
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137 | for i in 10..5 + 4 {
| ^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
137 | for i in (5 + 4..10).rev() {
| ^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:141:14
|
141 | for i in (5 + 2)..(3 - 1) {
| ^^^^^^^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
141 | for i in ((3 - 1)..(5 + 2)).rev() {
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
--> $DIR/for_loop.rs:145:14
|
145 | for i in (5 + 2)..(8 - 1) {
| ^^^^^^^^^^^^^^^^
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:167:15
|
167 | for _v in vec.iter() {}
| ^^^^^^^^^^ help: to write this more concisely, try: `&vec`
|
= note: `-D clippy::explicit-iter-loop` implied by `-D warnings`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:169:15
|
169 | for _v in vec.iter_mut() {}
| ^^^^^^^^^^^^^^ help: to write this more concisely, try: `&mut vec`
error: it is more concise to loop over containers instead of using explicit iteration methods`
--> $DIR/for_loop.rs:172:15
|
172 | for _v in out_vec.into_iter() {}
| ^^^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `out_vec`
|
= note: `-D clippy::explicit-into-iter-loop` implied by `-D warnings`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:175:15
|
175 | for _v in array.into_iter() {}
| ^^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `&array`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:180:15
|
180 | for _v in [1, 2, 3].iter() {}
| ^^^^^^^^^^^^^^^^ help: to write this more concisely, try: `&[1, 2, 3]`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:184:15
|
184 | for _v in [0; 32].iter() {}
| ^^^^^^^^^^^^^^ help: to write this more concisely, try: `&[0; 32]`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:189:15
|
189 | for _v in ll.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&ll`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:192:15
|
192 | for _v in vd.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&vd`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:195:15
|
195 | for _v in bh.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&bh`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:198:15
|
198 | for _v in hm.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&hm`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:201:15
|
201 | for _v in bt.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&bt`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:204:15
|
204 | for _v in hs.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&hs`
error: it is more concise to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:207:15
|
207 | for _v in bs.iter() {}
| ^^^^^^^^^ help: to write this more concisely, try: `&bs`
error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
--> $DIR/for_loop.rs:209:15
|
209 | for _v in vec.iter().next() {}
| ^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::iter-next-loop` implied by `-D warnings`
error: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
--> $DIR/for_loop.rs:216:5
|
216 | vec.iter().cloned().map(|x| out.push(x)).collect::<Vec<_>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::unused-collect` implied by `-D warnings`
error: you seem to want to iterate on a map's values
--> $DIR/for_loop.rs:325:19
|
325 | for (_, v) in &m {
| ^^
|
= note: `-D clippy::for-kv-map` implied by `-D warnings`
help: use the corresponding method
|
325 | for v in m.values() {
| ^ ^^^^^^^^^^
error: you seem to want to iterate on a map's values
--> $DIR/for_loop.rs:330:19
|
330 | for (_, v) in &*m {
| ^^^
help: use the corresponding method
|
330 | for v in (*m).values() {
| ^ ^^^^^^^^^^^^^
error: you seem to want to iterate on a map's values
--> $DIR/for_loop.rs:338:19
|
338 | for (_, v) in &mut m {
| ^^^^^^
help: use the corresponding method
|
338 | for v in m.values_mut() {
| ^ ^^^^^^^^^^^^^^
error: you seem to want to iterate on a map's values
--> $DIR/for_loop.rs:343:19
|
343 | for (_, v) in &mut *m {
| ^^^^^^^
help: use the corresponding method
|
343 | for v in (*m).values_mut() {
| ^ ^^^^^^^^^^^^^^^^^
error: you seem to want to iterate on a map's keys
--> $DIR/for_loop.rs:349:24
|
349 | for (k, _value) in rm {
| ^^
help: use the corresponding method
|
349 | for k in rm.keys() {
| ^ ^^^^^^^^^
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:402:14
|
402 | for i in 0..src.len() {
| ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
|
= note: `-D clippy::manual-memcpy` implied by `-D warnings`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:407:14
|
407 | for i in 0..src.len() {
| ^^^^^^^^^^^^ help: try replacing the loop by: `dst[10..(src.len() + 10)].clone_from_slice(&src[..])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:412:14
|
412 | for i in 0..src.len() {
| ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[10..])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:417:14
|
417 | for i in 11..src.len() {
| ^^^^^^^^^^^^^ help: try replacing the loop by: `dst[11..src.len()].clone_from_slice(&src[(11 - 10)..(src.len() - 10)])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:422:14
|
422 | for i in 0..dst.len() {
| ^^^^^^^^^^^^ help: try replacing the loop by: `dst.clone_from_slice(&src[..dst.len()])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:435:14
|
435 | for i in 10..256 {
| ^^^^^^^
help: try replacing the loop by
|
435 | for i in dst[10..256].clone_from_slice(&src[(10 - 5)..(256 - 5)])
436 | dst2[(10 + 500)..(256 + 500)].clone_from_slice(&src[10..256]) {
|
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:447:14
|
447 | for i in 10..LOOP_OFFSET {
| ^^^^^^^^^^^^^^^ help: try replacing the loop by: `dst[(10 + LOOP_OFFSET)..(LOOP_OFFSET + LOOP_OFFSET)].clone_from_slice(&src[(10 - some_var)..(LOOP_OFFSET - some_var)])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:460:14
|
460 | for i in 0..src_vec.len() {
| ^^^^^^^^^^^^^^^^ help: try replacing the loop by: `dst_vec[..src_vec.len()].clone_from_slice(&src_vec[..])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:489:14
|
489 | for i in from..from + src.len() {
| ^^^^^^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `dst[from..from + src.len()].clone_from_slice(&src[0..(from + src.len() - from)])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:493:14
|
493 | for i in from..from + 3 {
| ^^^^^^^^^^^^^^ help: try replacing the loop by: `dst[from..from + 3].clone_from_slice(&src[0..(from + 3 - from)])`
error: it looks like you're manually copying between slices
--> $DIR/for_loop.rs:500:14
|
500 | for i in 0..src.len() {
| ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
error: aborting due to 51 previous errors