49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
|
// run-rustfix
|
||
|
|
|
||
|
|
#![warn(clippy::from_iter_instead_of_collect)]
|
||
|
|
#![allow(unused_imports)]
|
||
|
|
|
||
|
|
use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
|
||
|
|
use std::iter::FromIterator;
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let iter_expr = std::iter::repeat(5).take(5);
|
||
|
|
let _ = iter_expr.collect::<Vec<_>>();
|
||
|
|
|
||
|
|
let _ = vec![5, 5, 5, 5].iter().enumerate().collect::<HashMap<usize, &i8>>();
|
||
|
|
|
||
|
|
Vec::from_iter(vec![42u32]);
|
||
|
|
|
||
|
|
let a = vec![0, 1, 2];
|
||
|
|
assert_eq!(a, (0..3).collect::<Vec<_>>());
|
||
|
|
assert_eq!(a, (0..3).collect::<Vec<i32>>());
|
||
|
|
|
||
|
|
let mut b = (0..3).collect::<VecDeque<_>>();
|
||
|
|
b.push_back(4);
|
||
|
|
|
||
|
|
let mut b = (0..3).collect::<VecDeque<i32>>();
|
||
|
|
b.push_back(4);
|
||
|
|
|
||
|
|
{
|
||
|
|
use std::collections;
|
||
|
|
let mut b = (0..3).collect::<collections::VecDeque<i32>>();
|
||
|
|
b.push_back(4);
|
||
|
|
}
|
||
|
|
|
||
|
|
let values = [(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd')];
|
||
|
|
let bm = values.iter().cloned().collect::<BTreeMap<_, _>>();
|
||
|
|
let mut bar = bm.range(0..2).collect::<BTreeMap<_, _>>();
|
||
|
|
bar.insert(&4, &'e');
|
||
|
|
|
||
|
|
let mut bts = (0..3).collect::<BTreeSet<_>>();
|
||
|
|
bts.insert(2);
|
||
|
|
{
|
||
|
|
use std::collections;
|
||
|
|
let _ = (0..3).collect::<collections::BTreeSet<_>>();
|
||
|
|
let _ = (0..3).collect::<collections::BTreeSet<u32>>();
|
||
|
|
}
|
||
|
|
|
||
|
|
for _i in [1, 2, 3].iter().collect::<Vec<_>>() {}
|
||
|
|
for _i in [1, 2, 3].iter().collect::<Vec<&i32>>() {}
|
||
|
|
}
|