| // 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. |
| |
| #![feature(rustc_attrs)] |
| #![allow(warnings)] |
| |
| struct CNFParser { |
| token: char, |
| } |
| |
| impl CNFParser { |
| fn is_whitespace(c: char) -> bool { |
| c == ' ' || c == '\n' |
| } |
| |
| fn consume_whitespace(&mut self) { |
| self.consume_while(&(CNFParser::is_whitespace)) |
| } |
| |
| fn consume_while(&mut self, p: &Fn(char) -> bool) { |
| while p(self.token) { |
| return |
| } |
| } |
| } |
| |
| #[rustc_error] |
| fn main() {} //~ ERROR compilation successful |
