87 lines
1.8 KiB
Rust
87 lines
1.8 KiB
Rust
// run-rustfix
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#![allow(unused)]
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#![warn(clippy::clear_with_drain)]
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fn range() {
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let mut v = vec![1, 2, 3];
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let iter = v.drain(0..v.len()); // Yay
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let mut v = vec![1, 2, 3];
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let n = v.drain(0..v.len()).count(); // Yay
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let mut v = vec![1, 2, 3];
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let iter = v.drain(usize::MIN..v.len()); // Yay
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let n = iter.count();
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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}
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fn range_from() {
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let mut v = vec![1, 2, 3];
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let iter = v.drain(0..); // Yay
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let mut v = vec![1, 2, 3];
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let mut iter = v.drain(0..); // Yay
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let next = iter.next();
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let mut v = vec![1, 2, 3];
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let next = v.drain(usize::MIN..).next(); // Yay
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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}
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fn range_full() {
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let mut v = vec![1, 2, 3];
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let iter = v.drain(..); // Yay
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let mut v = vec![1, 2, 3];
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// Yay
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for x in v.drain(..) {
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let y = format!("x = {x}");
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}
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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}
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fn range_to() {
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let mut v = vec![1, 2, 3];
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let iter = v.drain(..v.len()); // Yay
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let mut v = vec![1, 2, 3];
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let iter = v.drain(..v.len()); // Yay
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for x in iter {
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let y = format!("x = {x}");
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}
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let mut v = vec![1, 2, 3];
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v.clear(); // Nay
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}
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fn partial_drains() {
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let mut v = vec![1, 2, 3];
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v.drain(1..); // Yay
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let mut v = vec![1, 2, 3];
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v.drain(1..).max(); // Yay
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let mut v = vec![1, 2, 3];
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v.drain(..v.len() - 1); // Yay
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let mut v = vec![1, 2, 3];
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v.drain(..v.len() - 1).min(); // Yay
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let mut v = vec![1, 2, 3];
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v.drain(1..v.len() - 1); // Yay
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let mut v = vec![1, 2, 3];
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let w: Vec<i8> = v.drain(1..v.len() - 1).collect(); // Yay
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}
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fn main() {}
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