#![feature(extern_prelude, use_extern_macros)]
#![allow(unused)]

mod m {
    fn f() {
        std::mem::drop(0); // OK, extern prelude
        Result::Ok::<u8, u8>(0); // OK, standard library prelude
        u8::clone(&0); // OK, language prelude
        
        std::panic!(); // ERROR failed to resolve. Use of undeclared type or module `std`
        Result::Ok!(); //  ERROR failed to resolve. Use of undeclared type or module `Result`
        u8::clone!(); // ERROR failed to resolve. Use of undeclared type or module `u8`
    }
}

fn main() {}