mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
17 lines
293 B
Rust
17 lines
293 B
Rust
//@ run-pass
|
|
|
|
fn f(x: isize) -> isize { x }
|
|
fn g(x: isize) -> isize { 2 * x }
|
|
|
|
static F: fn(isize) -> isize = f;
|
|
static mut G: fn(isize) -> isize = f;
|
|
|
|
pub fn main() {
|
|
assert_eq!(F(42), 42);
|
|
unsafe {
|
|
assert_eq!(G(42), 42);
|
|
G = g;
|
|
assert_eq!(G(42), 84);
|
|
}
|
|
}
|