rust/tests/compile-fail/cast_fn_ptr1.rs

fn main() {
    fn f() {} //~ ERROR calling a function with more arguments than it expected

    let g = unsafe {
        std::mem::transmute::<fn(), fn(i32)>(f)
    };

    g(42)
}
Update for changes in rustc. 2016-08-27 02:44:46 -05:00			`fn main() {`
rustup, and some final message adjustments 2020-03-19 02:41:01 -05:00			`fn f() {} //~ ERROR calling a function with more arguments than it expected`
forbid calling functions through pointers of a different type 2016-06-14 03:34:54 -05:00
change the block and stmt position after a function call returns previously we moved to the target block before calling a function, so when inspecting the stack, it appeared as if we were in the first statement of the next block. 2016-07-06 10:55:05 -05:00			`let g = unsafe {`
forbid calling functions through pointers of a different type 2016-06-14 03:34:54 -05:00			`std::mem::transmute::<fn(), fn(i32)>(f)`
			`};`

rustup, and some final message adjustments 2020-03-19 02:41:01 -05:00			`g(42)`
forbid calling functions through pointers of a different type 2016-06-14 03:34:54 -05:00			`}`