rust/tests/ui/mem_replace.fixed

59 lines
1.6 KiB
Rust

// run-rustfix
#![allow(unused_imports)]
#![warn(
clippy::all,
clippy::style,
clippy::mem_replace_option_with_none,
clippy::mem_replace_with_default
)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, LinkedList, VecDeque};
use std::mem;
fn replace_option_with_none() {
let mut an_option = Some(1);
let _ = an_option.take();
let an_option = &mut Some(1);
let _ = an_option.take();
}
fn replace_with_default() {
let mut s = String::from("foo");
let _ = std::mem::take(&mut s);
let s = &mut String::from("foo");
let _ = std::mem::take(s);
let _ = std::mem::take(s);
let mut v = vec![123];
let _ = std::mem::take(&mut v);
let _ = std::mem::take(&mut v);
let _ = std::mem::take(&mut v);
let _ = std::mem::take(&mut v);
let mut hash_map: HashMap<i32, i32> = HashMap::new();
let _ = std::mem::take(&mut hash_map);
let mut btree_map: BTreeMap<i32, i32> = BTreeMap::new();
let _ = std::mem::take(&mut btree_map);
let mut vd: VecDeque<i32> = VecDeque::new();
let _ = std::mem::take(&mut vd);
let mut hash_set: HashSet<&str> = HashSet::new();
let _ = std::mem::take(&mut hash_set);
let mut btree_set: BTreeSet<&str> = BTreeSet::new();
let _ = std::mem::take(&mut btree_set);
let mut list: LinkedList<i32> = LinkedList::new();
let _ = std::mem::take(&mut list);
let mut binary_heap: BinaryHeap<i32> = BinaryHeap::new();
let _ = std::mem::take(&mut binary_heap);
}
fn main() {
replace_option_with_none();
replace_with_default();
}