159 lines
3.2 KiB
Rust
159 lines
3.2 KiB
Rust
#![warn(clippy::needless_range_loop)]
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#![allow(
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clippy::uninlined_format_args,
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clippy::unnecessary_literal_unwrap,
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clippy::useless_vec
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)]
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static STATIC: [usize; 4] = [0, 1, 8, 16];
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const CONST: [usize; 4] = [0, 1, 8, 16];
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const MAX_LEN: usize = 42;
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fn main() {
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let mut vec = vec![1, 2, 3, 4];
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let vec2 = vec![1, 2, 3, 4];
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for i in 0..vec.len() {
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println!("{}", vec[i]);
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}
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for i in 0..vec.len() {
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let i = 42; // make a different `i`
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println!("{}", vec[i]); // ok, not the `i` of the for-loop
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}
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for i in 0..vec.len() {
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let _ = vec[i];
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}
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// ICE #746
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for j in 0..4 {
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println!("{:?}", STATIC[j]);
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}
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for j in 0..4 {
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println!("{:?}", CONST[j]);
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}
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for i in 0..vec.len() {
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println!("{} {}", vec[i], i);
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}
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for i in 0..vec.len() {
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// not an error, indexing more than one variable
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println!("{} {}", vec[i], vec2[i]);
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}
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for i in 0..vec.len() {
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println!("{}", vec2[i]);
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}
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for i in 5..vec.len() {
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println!("{}", vec[i]);
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}
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for i in 0..MAX_LEN {
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println!("{}", vec[i]);
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}
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for i in 0..=MAX_LEN {
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println!("{}", vec[i]);
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}
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for i in 5..10 {
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println!("{}", vec[i]);
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}
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for i in 5..=10 {
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println!("{}", vec[i]);
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}
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for i in 5..vec.len() {
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println!("{} {}", vec[i], i);
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}
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for i in 5..10 {
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println!("{} {}", vec[i], i);
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}
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// #2542
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for i in 0..vec.len() {
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vec[i] = Some(1).unwrap_or_else(|| panic!("error on {}", i));
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}
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// #3788
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let test = Test {
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inner: vec![1, 2, 3, 4],
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};
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for i in 0..2 {
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println!("{}", test[i]);
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}
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// See #601
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for i in 0..10 {
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// no error, id_col does not exist outside the loop
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let mut id_col = [0f64; 10];
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id_col[i] = 1f64;
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}
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fn f<T>(_: &T, _: &T) -> bool {
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unimplemented!()
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}
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fn g<T>(_: &mut [T], _: usize, _: usize) {
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unimplemented!()
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}
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for i in 1..vec.len() {
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if f(&vec[i - 1], &vec[i]) {
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g(&mut vec, i - 1, i);
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}
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}
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for mid in 1..vec.len() {
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let (_, _) = vec.split_at(mid);
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}
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}
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struct Test {
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inner: Vec<usize>,
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}
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impl std::ops::Index<usize> for Test {
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type Output = usize;
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fn index(&self, index: usize) -> &Self::Output {
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&self.inner[index]
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}
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}
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fn partition<T: PartialOrd + Send>(v: &mut [T]) -> usize {
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let pivot = v.len() - 1;
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let mut i = 0;
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for j in 0..pivot {
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if v[j] <= v[pivot] {
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v.swap(i, j);
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i += 1;
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}
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}
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v.swap(i, pivot);
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i
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}
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pub fn manual_copy_same_destination(dst: &mut [i32], d: usize, s: usize) {
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// Same source and destination - don't trigger lint
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for i in 0..dst.len() {
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dst[d + i] = dst[s + i];
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}
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}
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mod issue_2496 {
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pub trait Handle {
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fn new_for_index(index: usize) -> Self;
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fn index(&self) -> usize;
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}
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pub fn test<H: Handle>() -> H {
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for x in 0..5 {
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let next_handle = H::new_for_index(x);
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println!("{}", next_handle.index());
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}
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unimplemented!()
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}
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}
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