2
0
Fork 0
mirror of https://github.com/rust-lang/rust-clippy synced 2024-12-22 19:13:29 +00:00
rust-clippy/tests/ui/string_extend.rs
2019-10-15 09:58:11 +02:00

32 lines
570 B
Rust

// run-rustfix
#[derive(Copy, Clone)]
struct HasChars;
impl HasChars {
fn chars(self) -> std::str::Chars<'static> {
"HasChars".chars()
}
}
fn main() {
let abc = "abc";
let def = String::from("def");
let mut s = String::new();
s.push_str(abc);
s.extend(abc.chars());
s.push_str("abc");
s.extend("abc".chars());
s.push_str(&def);
s.extend(def.chars());
s.extend(abc.chars().skip(1));
s.extend("abc".chars().skip(1));
s.extend(['a', 'b', 'c'].iter());
let f = HasChars;
s.extend(f.chars());
}