mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
19 lines
479 B
Rust
19 lines
479 B
Rust
// run-pass
|
|
#![allow(unused_braces)]
|
|
|
|
fn test_generic<T, F>(expected: Box<T>, eq: F) where T: Clone, F: FnOnce(Box<T>, Box<T>) -> bool {
|
|
let actual: Box<T> = { expected.clone() };
|
|
assert!(eq(expected, actual));
|
|
}
|
|
|
|
fn test_box() {
|
|
fn compare_box(b1: Box<bool>, b2: Box<bool>) -> bool {
|
|
println!("{}", *b1);
|
|
println!("{}", *b2);
|
|
return *b1 == *b2;
|
|
}
|
|
test_generic::<bool, _>(Box::new(true), compare_box);
|
|
}
|
|
|
|
pub fn main() { test_box(); }
|