rust/tests/compile-fail/cast_fn_ptr4.rs

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2018-08-27 10:08:42 -05:00
fn main() {
fn f(_ : *const [i32]) {}
let g = unsafe {
std::mem::transmute::<fn(*const [i32]), fn(*const i32)>(f)
};
g(&42 as *const i32) //~ ERROR tried to call a function with argument of type *const [i32] passing data of type *const i32
}