mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-13 00:56:14 +00:00
19 lines
313 B
Rust
19 lines
313 B
Rust
//@ run-pass
|
|
// Simple smoke test that unsafe traits can be compiled etc.
|
|
|
|
|
|
unsafe trait Foo {
|
|
fn foo(&self) -> isize;
|
|
}
|
|
|
|
unsafe impl Foo for isize {
|
|
fn foo(&self) -> isize { *self }
|
|
}
|
|
|
|
fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }
|
|
|
|
fn main() {
|
|
let x: isize = 22;
|
|
assert_eq!(22, take_foo(&x));
|
|
}
|