97 lines
2 KiB
Rust
97 lines
2 KiB
Rust
#![warn(clippy::same_item_push)]
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fn mutate_increment(x: &mut u8) -> u8 {
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*x += 1;
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*x
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}
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fn increment(x: u8) -> u8 {
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x + 1
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}
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fn main() {
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// Test for basic case
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let mut spaces = Vec::with_capacity(10);
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for _ in 0..10 {
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spaces.push(vec![b' ']);
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}
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let mut vec2: Vec<u8> = Vec::new();
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let item = 2;
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for _ in 5..=20 {
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vec2.push(item);
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}
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let mut vec3: Vec<u8> = Vec::new();
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for _ in 0..15 {
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let item = 2;
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vec3.push(item);
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}
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let mut vec4: Vec<u8> = Vec::new();
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for _ in 0..15 {
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vec4.push(13);
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}
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// Suggestion should not be given as pushed variable can mutate
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let mut vec5: Vec<u8> = Vec::new();
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let mut item: u8 = 2;
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for _ in 0..30 {
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vec5.push(mutate_increment(&mut item));
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}
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let mut vec6: Vec<u8> = Vec::new();
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let mut item: u8 = 2;
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let mut item2 = &mut mutate_increment(&mut item);
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for _ in 0..30 {
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vec6.push(mutate_increment(item2));
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}
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let mut vec7: Vec<usize> = Vec::new();
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for (a, b) in [0, 1, 4, 9, 16].iter().enumerate() {
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vec7.push(a);
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}
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let mut vec8: Vec<u8> = Vec::new();
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for i in 0..30 {
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vec8.push(increment(i));
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}
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let mut vec9: Vec<u8> = Vec::new();
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for i in 0..30 {
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vec9.push(i + i * i);
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}
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// Suggestion should not be given as there are multiple pushes that are not the same
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let mut vec10: Vec<u8> = Vec::new();
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let item: u8 = 2;
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for _ in 0..30 {
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vec10.push(item);
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vec10.push(item * 2);
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}
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// Suggestion should not be given as Vec is not involved
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for _ in 0..5 {
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println!("Same Item Push");
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}
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struct A {
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kind: u32,
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}
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let mut vec_a: Vec<A> = Vec::new();
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for i in 0..30 {
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vec_a.push(A { kind: i });
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}
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let mut vec12: Vec<u8> = Vec::new();
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for a in vec_a {
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vec12.push(2u8.pow(a.kind));
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}
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// Fix #5902
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let mut vec13: Vec<u8> = Vec::new();
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let mut item = 0;
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for _ in 0..10 {
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vec13.push(item);
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item += 10;
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}
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}
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