97 lines
1.8 KiB
Rust
97 lines
1.8 KiB
Rust
#![warn(clippy::needless_range_loop)]
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#![allow(clippy::uninlined_format_args, clippy::useless_vec)]
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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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}
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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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