rust-clippy/tests/ui/clear_with_drain.rs
2023-03-22 11:01:57 +01:00

39 lines
856 B
Rust

#![allow(unused)]
#![warn(clippy::clear_with_drain)]
fn range() {
let (mut u, mut v) = (vec![1, 2, 3], vec![1, 2, 3]);
let iter = u.drain(0..u.len()); // Yay
v.drain(0..v.len()); // Nay
}
fn range_from() {
let (mut u, mut v) = (vec![1, 2, 3], vec![1, 2, 3]);
let iter = u.drain(0..); // Yay
v.drain(0..); // Nay
}
fn range_full() {
let (mut u, mut v) = (vec![1, 2, 3], vec![1, 2, 3]);
let iter = u.drain(..); // Yay
v.drain(..); // Nay
}
fn range_to() {
let (mut u, mut v) = (vec![1, 2, 3], vec![1, 2, 3]);
let iter = u.drain(..u.len()); // Yay
v.drain(..v.len()); // Nay
}
fn partial_drains() {
let mut v = vec![1, 2, 3];
v.drain(1..); // Yay
let mut v = vec![1, 2, 3];
v.drain(..v.len() - 1); // Yay
let mut v = vec![1, 2, 3];
v.drain(1..v.len() - 1); // Yay
}
fn main() {}