mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-13 00:56:14 +00:00
52 lines
1.0 KiB
Rust
52 lines
1.0 KiB
Rust
|
#![warn(clippy::no_effect_replace)]
|
||
|
|
||
|
fn main() {
|
||
|
let _ = "12345".replace('1', "1");
|
||
|
let _ = "12345".replace("12", "12");
|
||
|
let _ = String::new().replace("12", "12");
|
||
|
|
||
|
let _ = "12345".replacen('1', "1", 1);
|
||
|
let _ = "12345".replacen("12", "12", 1);
|
||
|
let _ = String::new().replacen("12", "12", 1);
|
||
|
|
||
|
let _ = "12345".replace("12", "22");
|
||
|
let _ = "12345".replacen("12", "22", 1);
|
||
|
|
||
|
let mut x = X::default();
|
||
|
let _ = "hello".replace(&x.f(), &x.f());
|
||
|
let _ = "hello".replace(&x.f(), &x.ff());
|
||
|
|
||
|
let _ = "hello".replace(&y(), &y());
|
||
|
let _ = "hello".replace(&y(), &z());
|
||
|
|
||
|
let _ = Replaceme.replace("a", "a");
|
||
|
}
|
||
|
|
||
|
#[derive(Default)]
|
||
|
struct X {}
|
||
|
|
||
|
impl X {
|
||
|
fn f(&mut self) -> String {
|
||
|
"he".to_string()
|
||
|
}
|
||
|
|
||
|
fn ff(&mut self) -> String {
|
||
|
"hh".to_string()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn y() -> String {
|
||
|
"he".to_string()
|
||
|
}
|
||
|
|
||
|
fn z() -> String {
|
||
|
"hh".to_string()
|
||
|
}
|
||
|
|
||
|
struct Replaceme;
|
||
|
impl Replaceme {
|
||
|
pub fn replace(&mut self, a: &str, b: &str) -> Self {
|
||
|
Self
|
||
|
}
|
||
|
}
|