New upstream version 1.49.0+dfsg1

[rustc.git] / src / test / ui / rustc-args-required-const2.rs

#![feature(rustc_attrs, const_fn)]

#[rustc_args_required_const(0)]
fn foo(_a: i32) {
}

fn main() {
    let a = foo; //~ ERROR: this function can only be invoked directly
    a(2);
}