= help: consider replacing `for x in option.ok_or("x not found")` with `if let Ok(x) = option.ok_or("x not found")`
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:32:5
+ --> $DIR/for_loop.rs:32:14
|
-32 | / for x in v.iter().next() {
-33 | | println!("{}", x);
-34 | | }
- | |_____^
+32 | for x in v.iter().next() {
+ | ^^^^^^^^^^^^^^^
|
= note: `-D iter-next-loop` implied by `-D warnings`
| |_____^
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:86:5
+ --> $DIR/for_loop.rs:86:14
|
-86 | / for i in 0..vec.len() {
-87 | | println!("{}", vec[i]);
-88 | | }
- | |_____^
+86 | for i in 0..vec.len() {
+ | ^^^^^^^^^^^^
|
= note: `-D needless-range-loop` implied by `-D warnings`
help: consider using an iterator
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:95:5
+ --> $DIR/for_loop.rs:95:14
|
-95 | / for i in 0..vec.len() {
-96 | | let _ = vec[i];
-97 | | }
- | |_____^
+95 | for i in 0..vec.len() {
+ | ^^^^^^^^^^^^
help: consider using an iterator
|
95 | for <item> in &vec {
|
error: the loop variable `j` is only used to index `STATIC`.
- --> $DIR/for_loop.rs:100:5
+ --> $DIR/for_loop.rs:100:14
|
-100 | / for j in 0..4 {
-101 | | println!("{:?}", STATIC[j]);
-102 | | }
- | |_____^
+100 | for j in 0..4 {
+ | ^^^^
help: consider using an iterator
|
100 | for <item> in STATIC.iter().take(4) {
|
error: the loop variable `j` is only used to index `CONST`.
- --> $DIR/for_loop.rs:104:5
+ --> $DIR/for_loop.rs:104:14
|
-104 | / for j in 0..4 {
-105 | | println!("{:?}", CONST[j]);
-106 | | }
- | |_____^
+104 | for j in 0..4 {
+ | ^^^^
help: consider using an iterator
|
104 | for <item> in CONST.iter().take(4) {
|
error: the loop variable `i` is used to index `vec`
- --> $DIR/for_loop.rs:108:5
+ --> $DIR/for_loop.rs:108:14
|
-108 | / for i in 0..vec.len() {
-109 | | println!("{} {}", vec[i], i);
-110 | | }
- | |_____^
+108 | for i in 0..vec.len() {
+ | ^^^^^^^^^^^^
help: consider using an iterator
|
108 | for (i, <item>) in vec.iter().enumerate() {
|
error: the loop variable `i` is only used to index `vec2`.
- --> $DIR/for_loop.rs:116:5
+ --> $DIR/for_loop.rs:116:14
|
-116 | / for i in 0..vec.len() {
-117 | | println!("{}", vec2[i]);
-118 | | }
- | |_____^
+116 | for i in 0..vec.len() {
+ | ^^^^^^^^^^^^
help: consider using an iterator
|
116 | for <item> in vec2.iter().take(vec.len()) {
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:120:5
+ --> $DIR/for_loop.rs:120:14
|
-120 | / for i in 5..vec.len() {
-121 | | println!("{}", vec[i]);
-122 | | }
- | |_____^
+120 | for i in 5..vec.len() {
+ | ^^^^^^^^^^^^
help: consider using an iterator
|
120 | for <item> in vec.iter().skip(5) {
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:124:5
+ --> $DIR/for_loop.rs:124:14
|
-124 | / for i in 0..MAX_LEN {
-125 | | println!("{}", vec[i]);
-126 | | }
- | |_____^
+124 | for i in 0..MAX_LEN {
+ | ^^^^^^^^^^
help: consider using an iterator
|
124 | for <item> in vec.iter().take(MAX_LEN) {
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:128:5
+ --> $DIR/for_loop.rs:128:14
|
-128 | / for i in 0..=MAX_LEN {
-129 | | println!("{}", vec[i]);
-130 | | }
- | |_____^
+128 | for i in 0..=MAX_LEN {
+ | ^^^^^^^^^^^
help: consider using an iterator
|
128 | for <item> in vec.iter().take(MAX_LEN + 1) {
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:132:5
+ --> $DIR/for_loop.rs:132:14
|
-132 | / for i in 5..10 {
-133 | | println!("{}", vec[i]);
-134 | | }
- | |_____^
+132 | for i in 5..10 {
+ | ^^^^^
help: consider using an iterator
|
132 | for <item> in vec.iter().take(10).skip(5) {
|
error: the loop variable `i` is only used to index `vec`.
- --> $DIR/for_loop.rs:136:5
+ --> $DIR/for_loop.rs:136:14
|
-136 | / for i in 5..=10 {
-137 | | println!("{}", vec[i]);
-138 | | }
- | |_____^
+136 | for i in 5..=10 {
+ | ^^^^^^
help: consider using an iterator
|
136 | for <item> in vec.iter().take(10 + 1).skip(5) {
|
error: the loop variable `i` is used to index `vec`
- --> $DIR/for_loop.rs:140:5
+ --> $DIR/for_loop.rs:140:14
|
-140 | / for i in 5..vec.len() {
-141 | | println!("{} {}", vec[i], i);
-142 | | }
- | |_____^
+140 | for i in 5..vec.len() {
+ | ^^^^^^^^^^^^
help: consider using an iterator
|
140 | for (i, <item>) in vec.iter().enumerate().skip(5) {
|
error: the loop variable `i` is used to index `vec`
- --> $DIR/for_loop.rs:144:5
+ --> $DIR/for_loop.rs:144:14
|
-144 | / for i in 5..10 {
-145 | | println!("{} {}", vec[i], i);
-146 | | }
- | |_____^
+144 | for i in 5..10 {
+ | ^^^^^
help: consider using an iterator
|
144 | 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:148:5
+ --> $DIR/for_loop.rs:148:14
|
-148 | / for i in 10..0 {
-149 | | println!("{}", i);
-150 | | }
- | |_____^
+148 | for i in 10..0 {
+ | ^^^^^
|
= note: `-D reverse-range-loop` implied by `-D warnings`
help: consider using the following if you are attempting to iterate over this range in reverse
| ^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:152:5
+ --> $DIR/for_loop.rs:152:14
|
-152 | / for i in 10..=0 {
-153 | | println!("{}", i);
-154 | | }
- | |_____^
+152 | for i in 10..=0 {
+ | ^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
152 | for i in (0...10).rev() {
| ^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:156:5
+ --> $DIR/for_loop.rs:156:14
|
-156 | / for i in MAX_LEN..0 {
-157 | | println!("{}", i);
-158 | | }
- | |_____^
+156 | for i in MAX_LEN..0 {
+ | ^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
156 | for i in (0..MAX_LEN).rev() {
| ^^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:160:5
+ --> $DIR/for_loop.rs:160:14
|
-160 | / for i in 5..5 {
-161 | | println!("{}", i);
-162 | | }
- | |_____^
+160 | for i in 5..5 {
+ | ^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:185:5
+ --> $DIR/for_loop.rs:185:14
|
-185 | / for i in 10..5 + 4 {
-186 | | println!("{}", i);
-187 | | }
- | |_____^
+185 | for i in 10..5 + 4 {
+ | ^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
185 | for i in (5 + 4..10).rev() {
| ^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:189:5
+ --> $DIR/for_loop.rs:189:14
|
-189 | / for i in (5 + 2)..(3 - 1) {
-190 | | println!("{}", i);
-191 | | }
- | |_____^
+189 | for i in (5 + 2)..(3 - 1) {
+ | ^^^^^^^^^^^^^^^^
help: consider using the following if you are attempting to iterate over this range in reverse
|
189 | for i in ((3 - 1)..(5 + 2)).rev() {
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: this range is empty so this for loop will never run
- --> $DIR/for_loop.rs:193:5
+ --> $DIR/for_loop.rs:193:14
|
-193 | / for i in (5 + 2)..(8 - 1) {
-194 | | println!("{}", i);
-195 | | }
- | |_____^
+193 | for i in (5 + 2)..(8 - 1) {
+ | ^^^^^^^^^^^^^^^^
error: it is more idiomatic to loop over references to containers instead of using explicit iteration methods
--> $DIR/for_loop.rs:215:15
| ^^^^^^^^^ 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:257:5
+ --> $DIR/for_loop.rs:257:15
|
257 | for _v in vec.iter().next() {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ | ^^^^^^^^^^^^^^^^^
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:264:5
= note: `-D unused-collect` implied by `-D warnings`
error: the variable `_index` is used as a loop counter. Consider using `for (_index, item) in &vec.enumerate()` or similar iterators
- --> $DIR/for_loop.rs:269:5
+ --> $DIR/for_loop.rs:269:15
|
-269 | / for _v in &vec {
-270 | | _index += 1
-271 | | }
- | |_____^
+269 | for _v in &vec {
+ | ^^^^
|
= note: `-D explicit-counter-loop` implied by `-D warnings`
error: the variable `_index` is used as a loop counter. Consider using `for (_index, item) in &vec.enumerate()` or similar iterators
- --> $DIR/for_loop.rs:275:5
+ --> $DIR/for_loop.rs:275:15
|
-275 | / for _v in &vec {
-276 | | _index += 1
-277 | | }
- | |_____^
+275 | for _v in &vec {
+ | ^^^^
error: you seem to want to iterate on a map's values
- --> $DIR/for_loop.rs:385:5
+ --> $DIR/for_loop.rs:385:19
|
-385 | / for (_, v) in &m {
-386 | | let _v = v;
-387 | | }
- | |_____^
+385 | for (_, v) in &m {
+ | ^^
|
= note: `-D for-kv-map` implied by `-D warnings`
help: use the corresponding method
|
error: you seem to want to iterate on a map's values
- --> $DIR/for_loop.rs:390:5
- |
-390 | / for (_, v) in &*m {
-391 | | let _v = v;
-392 | | // Here the `*` is not actually necesarry, but the test tests that we don't
-393 | | // suggest
-394 | | // `in *m.values()` as we used to
-395 | | }
- | |_____^
+ --> $DIR/for_loop.rs:390:19
+ |
+390 | for (_, v) in &*m {
+ | ^^^
help: use the corresponding method
|
390 | for v in (*m).values() {
|
error: you seem to want to iterate on a map's values
- --> $DIR/for_loop.rs:398:5
+ --> $DIR/for_loop.rs:398:19
|
-398 | / for (_, v) in &mut m {
-399 | | let _v = v;
-400 | | }
- | |_____^
+398 | for (_, v) in &mut m {
+ | ^^^^^^
help: use the corresponding method
|
398 | for v in m.values_mut() {
|
error: you seem to want to iterate on a map's values
- --> $DIR/for_loop.rs:403:5
+ --> $DIR/for_loop.rs:403:19
|
-403 | / for (_, v) in &mut *m {
-404 | | let _v = v;
-405 | | }
- | |_____^
+403 | for (_, v) in &mut *m {
+ | ^^^^^^^
help: use the corresponding method
|
403 | for v in (*m).values_mut() {
|
error: you seem to want to iterate on a map's keys
- --> $DIR/for_loop.rs:409:5
+ --> $DIR/for_loop.rs:409:24
|
-409 | / for (k, _value) in rm {
-410 | | let _k = k;
-411 | | }
- | |_____^
+409 | for (k, _value) in rm {
+ | ^^
help: use the corresponding method
|
409 | for k in rm.keys() {
|
error: it looks like you're manually copying between slices
- --> $DIR/for_loop.rs:462:5
+ --> $DIR/for_loop.rs:462:14
|
-462 | / for i in 0..src.len() {
-463 | | dst[i] = src[i];
-464 | | }
- | |_____^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
+462 | for i in 0..src.len() {
+ | ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
|
= note: `-D manual-memcpy` implied by `-D warnings`
error: it looks like you're manually copying between slices
- --> $DIR/for_loop.rs:467:5
+ --> $DIR/for_loop.rs:467:14
|
-467 | / for i in 0..src.len() {
-468 | | dst[i + 10] = src[i];
-469 | | }
- | |_____^ help: try replacing the loop by: `dst[10..(src.len() + 10)].clone_from_slice(&src[..])`
+467 | 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:472:5
+ --> $DIR/for_loop.rs:472:14
|
-472 | / for i in 0..src.len() {
-473 | | dst[i] = src[i + 10];
-474 | | }
- | |_____^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[10..])`
+472 | 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:477:5
+ --> $DIR/for_loop.rs:477:14
|
-477 | / for i in 11..src.len() {
-478 | | dst[i] = src[i - 10];
-479 | | }
- | |_____^ help: try replacing the loop by: `dst[11..src.len()].clone_from_slice(&src[(11 - 10)..(src.len() - 10)])`
+477 | 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:482:5
+ --> $DIR/for_loop.rs:482:14
|
-482 | / for i in 0..dst.len() {
-483 | | dst[i] = src[i];
-484 | | }
- | |_____^ help: try replacing the loop by: `dst.clone_from_slice(&src[..dst.len()])`
+482 | 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:495:5
+ --> $DIR/for_loop.rs:495:14
|
-495 | / for i in 10..256 {
-496 | | dst[i] = src[i - 5];
-497 | | dst2[i + 500] = src[i]
-498 | | }
- | |_____^
+495 | for i in 10..256 {
+ | ^^^^^^^
help: try replacing the loop by
|
-495 | dst[10..256].clone_from_slice(&src[(10 - 5)..(256 - 5)])
-496 | dst2[(10 + 500)..(256 + 500)].clone_from_slice(&src[10..256])
+495 | for i in dst[10..256].clone_from_slice(&src[(10 - 5)..(256 - 5)])
+496 | 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:507:5
+ --> $DIR/for_loop.rs:507:14
|
-507 | / for i in 10..LOOP_OFFSET {
-508 | | dst[i + LOOP_OFFSET] = src[i - some_var];
-509 | | }
- | |_____^ 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)])`
+507 | 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:520:5
+ --> $DIR/for_loop.rs:520:14
|
-520 | / for i in 0..src_vec.len() {
-521 | | dst_vec[i] = src_vec[i];
-522 | | }
- | |_____^ help: try replacing the loop by: `dst_vec[..src_vec.len()].clone_from_slice(&src_vec[..])`
+520 | 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:547:5
+ --> $DIR/for_loop.rs:547:14
|
-547 | / for i in 0..src.len() {
-548 | | dst[i] = src[i].clone();
-549 | | }
- | |_____^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
+547 | for i in 0..src.len() {
+ | ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
error: aborting due to 59 previous errors