rust/tests/fail/function_pointers/cast_fn_ptr2.rs

fn main() {
    fn f(_: (i32, i32)) {}

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

    g(42) //~ ERROR: calling a function with argument of type (i32, i32) passing data of type i32
}
improve fn pointer signature check to allow some casts that should be permitted Also properly check the "non-capturing Fn to fn" case 2017-05-26 22:02:51 -05:00			`fn main() {`
Format tests and benches with rustfmt (1-50 of 300) 2022-06-19 22:33:59 -05:00			`fn f(_: (i32, i32)) {}`
improve fn pointer signature check to allow some casts that should be permitted Also properly check the "non-capturing Fn to fn" case 2017-05-26 22:02:51 -05:00
Format tests and benches with rustfmt (1-50 of 300) 2022-06-19 22:33:59 -05:00			`let g = unsafe { std::mem::transmute::<fn((i32, i32)), fn(i32)>(f) };`
improve fn pointer signature check to allow some casts that should be permitted Also properly check the "non-capturing Fn to fn" case 2017-05-26 22:02:51 -05:00
require level and colon in `//~` style comments 2022-07-11 06:44:55 -05:00			`g(42) //~ ERROR: calling a function with argument of type (i32, i32) passing data of type i32`
improve fn pointer signature check to allow some casts that should be permitted Also properly check the "non-capturing Fn to fn" case 2017-05-26 22:02:51 -05:00			`}`