39 lines
930 B
Rust
39 lines
930 B
Rust
#![allow(clippy::map_with_unused_argument_over_ranges)]
|
|
#![warn(clippy::repeat_vec_with_capacity)]
|
|
|
|
fn main() {
|
|
{
|
|
(0..123).map(|_| Vec::<()>::with_capacity(42)).collect::<Vec<_>>();
|
|
//~^ repeat_vec_with_capacity
|
|
}
|
|
|
|
{
|
|
let n = 123;
|
|
(0..n).map(|_| Vec::<()>::with_capacity(42)).collect::<Vec<_>>();
|
|
//~^ repeat_vec_with_capacity
|
|
}
|
|
|
|
{
|
|
macro_rules! from_macro {
|
|
($x:expr) => {
|
|
vec![$x; 123];
|
|
};
|
|
}
|
|
// vec expansion is from another macro, don't lint
|
|
from_macro!(Vec::<()>::with_capacity(42));
|
|
}
|
|
|
|
{
|
|
std::iter::repeat_with(|| Vec::<()>::with_capacity(42));
|
|
//~^ repeat_vec_with_capacity
|
|
}
|
|
|
|
{
|
|
macro_rules! from_macro {
|
|
($x:expr) => {
|
|
std::iter::repeat($x)
|
|
};
|
|
}
|
|
from_macro!(Vec::<()>::with_capacity(42));
|
|
}
|
|
}
|