| // check-pass | |
| 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: &dyn Fn(char) -> bool) { | |
| while p(self.token) { | |
| return | |
| } | |
| } | |
| } | |
| fn main() {} |