89 lines
2.1 KiB
Rust
89 lines
2.1 KiB
Rust
#![warn(clippy::needless_range_loop, clippy::manual_memcpy)]
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pub fn manual_copy_with_counters(src: &[i32], dst: &mut [i32], dst2: &mut [i32]) {
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let mut count = 0;
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for i in 3..src.len() {
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dst[i] = src[count];
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count += 1;
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}
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let mut count = 0;
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for i in 3..src.len() {
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dst[count] = src[i];
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count += 1;
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}
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let mut count = 3;
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for i in 0..src.len() {
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dst[count] = src[i];
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count += 1;
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}
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let mut count = 3;
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for i in 0..src.len() {
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dst[i] = src[count];
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count += 1;
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}
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let mut count = 0;
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for i in 3..(3 + src.len()) {
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dst[i] = src[count];
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count += 1;
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}
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let mut count = 3;
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for i in 5..src.len() {
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dst[i] = src[count - 2];
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count += 1;
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}
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let mut count = 2;
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for i in 0..dst.len() {
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dst[i] = src[count];
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count += 1;
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}
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let mut count = 5;
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for i in 3..10 {
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dst[i] = src[count];
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count += 1;
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}
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let mut count = 3;
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let mut count2 = 30;
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for i in 0..src.len() {
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dst[count] = src[i];
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dst2[count2] = src[i];
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count += 1;
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count2 += 1;
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}
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// make sure parentheses are added properly to bitwise operators, which have lower precedence than
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// arithmetic ones
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let mut count = 0 << 1;
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for i in 0..1 << 1 {
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dst[count] = src[i + 2];
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count += 1;
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}
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// make sure incrementing expressions without semicolons at the end of loops are handled correctly.
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let mut count = 0;
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for i in 3..src.len() {
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dst[i] = src[count];
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count += 1
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}
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// make sure ones where the increment is not at the end of the loop.
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// As a possible enhancement, one could adjust the offset in the suggestion according to
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// the position. For example, if the increment is at the top of the loop;
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// treating the loop counter as if it were initialized 1 greater than the original value.
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let mut count = 0;
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#[allow(clippy::needless_range_loop)]
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for i in 0..src.len() {
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count += 1;
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dst[i] = src[count];
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}
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}
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fn main() {}
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