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: the loop variable `i` is only used to index `vec`. --> $DIR/for_loop.rs:281:14 | LL | for i in ZERO..vec.len() { | ^^^^^^^^^^^^^^^ | = note: `-D clippy::needless-range-loop` implied by `-D warnings` help: consider using an iterator | LL | for in &vec { | ^^^^^^ ^^^^ error: aborting due to 22 previous errors