rust/tests/compile-fail/cast_fn_ptr.rs
2017-03-02 13:11:33 +01:00

10 lines
208 B
Rust

fn main() {
fn f() {}
let g = unsafe {
std::mem::transmute::<fn(), fn(i32)>(f)
};
g(42) //~ ERROR tried to call a function with sig fn() through a function pointer of type fn(i32)
}