25 lines
900 B
Rust
25 lines
900 B
Rust
|
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
#![crate_type = "rustc-macro"]
|
||
|
|
#![feature(rustc_macro)]
|
||
|
|
#![allow(warnings)]
|
||
|
|
|
||
|
|
extern crate rustc_macro;
|
||
|
|
|
||
|
|
#[rustc_macro_derive(A)]
|
||
|
|
unsafe extern fn foo(a: i32, b: u32) -> u32 {
|
||
|
|
//~^ ERROR: mismatched types
|
||
|
|
//~| NOTE: expected normal fn, found unsafe fn
|
||
|
|
//~| NOTE: expected type `fn(rustc_macro::TokenStream) -> rustc_macro::TokenStream`
|
||
|
|
//~| NOTE: found type `unsafe extern "C" fn(i32, u32) -> u32 {foo}`
|
||
|
|
loop {}
|
||
|
|
}
|