rust-clippy/tests/ui/for_loop.stderr

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:39:14
   |
LL |     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
   |
LL |     for i in (0..10).rev() {
   |              ^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:43:14
   |
LL |     for i in 10..=0 {
   |              ^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (0...10).rev() {
   |              ^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:47:14
   |
LL |     for i in MAX_LEN..0 {
   |              ^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (0..MAX_LEN).rev() {
   |              ^^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:51:14
   |
LL |     for i in 5..5 {
   |              ^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:76:14
   |
LL |     for i in 10..5 + 4 {
   |              ^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in (5 + 4..10).rev() {
   |              ^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:80:14
   |
LL |     for i in (5 + 2)..(3 - 1) {
   |              ^^^^^^^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
   |
LL |     for i in ((3 - 1)..(5 + 2)).rev() {
   |              ^^^^^^^^^^^^^^^^^^^^^^^^

error: this range is empty so this for loop will never run
  --> $DIR/for_loop.rs:84:14
   |
LL |     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:106:15
   |
LL |     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:108:15
   |
LL |     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:111:15
   |
LL |     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:114:15
   |
LL |     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:119:15
   |
LL |     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:123:15
   |
LL |     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:128:15
   |
LL |     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:131:15
   |
LL |     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:134:15
   |
LL |     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:137:15
   |
LL |     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:140:15
   |
LL |     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:143:15
   |
LL |     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:146:15
   |
LL |     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:148:15
   |
LL |     for _v in vec.iter().next() {}
   |               ^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::iter-next-loop` implied by `-D warnings`

error: aborting due to 21 previous errors