rust-clippy/tests/ui/manual_memcpy/without_loop_counters.stderr

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4.2 KiB
Text

error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:8:5
|
LL | / for i in 0..src.len() {
LL | |
LL | |
LL | | dst[i] = src[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst[..src.len()].copy_from_slice(&src[..]);`
|
= note: `-D clippy::manual-memcpy` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::manual_memcpy)]`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:15:5
|
LL | / for i in 0..src.len() {
LL | |
LL | | dst[i + 10] = src[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst[10..(src.len() + 10)].copy_from_slice(&src[..]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:21:5
|
LL | / for i in 0..src.len() {
LL | |
LL | | dst[i] = src[i + 10];
LL | | }
| |_____^ help: try replacing the loop by: `dst[..src.len()].copy_from_slice(&src[10..(src.len() + 10)]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:27:5
|
LL | / for i in 11..src.len() {
LL | |
LL | | dst[i] = src[i - 10];
LL | | }
| |_____^ help: try replacing the loop by: `dst[11..src.len()].copy_from_slice(&src[(11 - 10)..(src.len() - 10)]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:33:5
|
LL | / for i in 0..dst.len() {
LL | |
LL | | dst[i] = src[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst.copy_from_slice(&src[..dst.len()]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:47:5
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LL | / for i in 10..256 {
LL | |
LL | | dst[i] = src[i - 5];
LL | | dst2[i + 500] = src[i]
LL | | }
| |_____^
|
help: try replacing the loop by
|
LL ~ dst[10..256].copy_from_slice(&src[(10 - 5)..(256 - 5)]);
LL + dst2[(10 + 500)..(256 + 500)].copy_from_slice(&src[10..256]);
|
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:60:5
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LL | / for i in 10..LOOP_OFFSET {
LL | |
LL | | dst[i + LOOP_OFFSET] = src[i - some_var];
LL | | }
| |_____^ help: try replacing the loop by: `dst[(10 + LOOP_OFFSET)..(LOOP_OFFSET + LOOP_OFFSET)].copy_from_slice(&src[(10 - some_var)..(LOOP_OFFSET - some_var)]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:74:5
|
LL | / for i in 0..src_vec.len() {
LL | |
LL | | dst_vec[i] = src_vec[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst_vec[..src_vec.len()].copy_from_slice(&src_vec[..]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:104:5
|
LL | / for i in from..from + src.len() {
LL | |
LL | | dst[i] = src[i - from];
LL | | }
| |_____^ help: try replacing the loop by: `dst[from..(from + src.len())].copy_from_slice(&src[..(from + src.len() - from)]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:109:5
|
LL | / for i in from..from + 3 {
LL | |
LL | | dst[i] = src[i - from];
LL | | }
| |_____^ help: try replacing the loop by: `dst[from..(from + 3)].copy_from_slice(&src[..(from + 3 - from)]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:115:5
|
LL | / for i in 0..5 {
LL | |
LL | | dst[i - 0] = src[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst[..5].copy_from_slice(&src[..5]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:121:5
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LL | / for i in 0..0 {
LL | |
LL | | dst[i] = src[i];
LL | | }
| |_____^ help: try replacing the loop by: `dst[..0].copy_from_slice(&src[..0]);`
error: it looks like you're manually copying between slices
--> $DIR/without_loop_counters.rs:145:5
|
LL | / for i in 0..src.len() {
LL | |
LL | | dst[i] = src[i].clone();
LL | | }
| |_____^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..]);`
error: aborting due to 13 previous errors