rust/tests/ui/drain_collect.rs

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//@run-rustfix
#![deny(clippy::drain_collect)]
#![allow(dead_code)]
use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
fn binaryheap(b: &mut BinaryHeap<i32>) -> BinaryHeap<i32> {
b.drain().collect()
}
fn binaryheap_dont_lint(b: &mut BinaryHeap<i32>) -> HashSet<i32> {
b.drain().collect()
}
fn hashmap(b: &mut HashMap<i32, i32>) -> HashMap<i32, i32> {
b.drain().collect()
}
fn hashmap_dont_lint(b: &mut HashMap<i32, i32>) -> Vec<(i32, i32)> {
b.drain().collect()
}
fn hashset(b: &mut HashSet<i32>) -> HashSet<i32> {
b.drain().collect()
}
fn hashset_dont_lint(b: &mut HashSet<i32>) -> Vec<i32> {
b.drain().collect()
}
fn vecdeque(b: &mut VecDeque<i32>) -> VecDeque<i32> {
b.drain(..).collect()
}
fn vecdeque_dont_lint(b: &mut VecDeque<i32>) -> HashSet<i32> {
b.drain(..).collect()
}
fn vec(b: &mut Vec<i32>) -> Vec<i32> {
b.drain(..).collect()
}
fn vec2(b: &mut Vec<i32>) -> Vec<i32> {
b.drain(0..).collect()
}
fn vec3(b: &mut Vec<i32>) -> Vec<i32> {
b.drain(..b.len()).collect()
}
fn vec4(b: &mut Vec<i32>) -> Vec<i32> {
b.drain(0..b.len()).collect()
}
fn vec_no_reborrow() -> Vec<i32> {
let mut b = vec![1, 2, 3];
b.drain(..).collect()
}
fn vec_dont_lint(b: &mut Vec<i32>) -> HashSet<i32> {
b.drain(..).collect()
}
fn string(b: &mut String) -> String {
b.drain(..).collect()
}
fn string_dont_lint(b: &mut String) -> HashSet<char> {
b.drain(..).collect()
}
fn not_whole_length(v: &mut Vec<i32>) -> Vec<i32> {
v.drain(1..).collect()
}
fn main() {}