1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 pub trait LineFormatter<'a> {
13 type Iter: Iterator<Item=&'a str> + 'a;
14 fn iter(&'a self, line: &'a str) -> Self::Iter;
16 fn dimensions(&'a self, line: &'a str) {
17 let iter: Self::Iter = self.iter(line);
18 <_ as IntoIterator>::into_iter(iter);