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#![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
}
}
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