mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-05 02:50:32 +00:00
26 lines
425 B
Rust
26 lines
425 B
Rust
// aux-build:macro_rules.rs
|
|
|
|
#[macro_use]
|
|
extern crate macro_rules;
|
|
|
|
#[warn(clippy::string_add)]
|
|
#[allow(clippy::string_add_assign, unused)]
|
|
fn main() {
|
|
// ignores assignment distinction
|
|
let mut x = "".to_owned();
|
|
|
|
for _ in 1..3 {
|
|
x = x + ".";
|
|
}
|
|
|
|
let y = "".to_owned();
|
|
let z = y + "...";
|
|
|
|
assert_eq!(&x, &z);
|
|
|
|
let mut x = 1;
|
|
x = x + 1;
|
|
assert_eq!(2, x);
|
|
|
|
string_add!();
|
|
}
|