34 lines
905 B
Rust
34 lines
905 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.
|
||
|
|
||
|
// no-prefer-dynamic
|
||
|
|
||
|
#![crate_type = "rustc-macro"]
|
||
|
#![feature(rustc_macro)]
|
||
|
#![feature(rustc_macro_lib)]
|
||
|
|
||
|
extern crate rustc_macro;
|
||
|
|
||
|
use rustc_macro::TokenStream;
|
||
|
|
||
|
#[rustc_macro_derive(AddImpl)]
|
||
|
// #[cfg(rustc_macro)]
|
||
|
pub fn derive(input: TokenStream) -> TokenStream {
|
||
|
(input.to_string() + "
|
||
|
impl B {
|
||
|
fn foo(&self) {}
|
||
|
}
|
||
|
|
||
|
fn foo() {}
|
||
|
|
||
|
mod bar { pub fn foo() {} }
|
||
|
").parse().unwrap()
|
||
|
}
|