src/test/compile-fail-fulldeps/rustc-macro/define-two.rs


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// 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.

// no-prefer-dynamic

#![crate_type = "rustc-macro"]
#![feature(rustc_macro)]

extern crate rustc_macro;

use rustc_macro::TokenStream;

#[rustc_macro_derive(A)]
pub fn foo(input: TokenStream) -> TokenStream {
    input
}

#[rustc_macro_derive(A)] //~ ERROR: derive mode defined twice in this crate
pub fn bar(input: TokenStream) -> TokenStream {
    input
}