mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 16:54:01 +00:00
14 lines
218 B
Rust
14 lines
218 B
Rust
//@ run-pass
|
|
|
|
use std::fmt::Display;
|
|
|
|
fn foo(f: impl Display + Clone) -> String {
|
|
let g = f.clone();
|
|
format!("{} + {}", f, g)
|
|
}
|
|
|
|
fn main() {
|
|
let sum = foo(format!("22"));
|
|
assert_eq!(sum, r"22 + 22");
|
|
}
|