30 lines
850 B
Rust
30 lines
850 B
Rust
|
// Copyright 2014 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.
|
||
|
|
||
|
struct Cursor<'a>;
|
||
|
|
||
|
trait CursorNavigator {
|
||
|
fn init_cursor<'a, 'b:'a>(&'a self, cursor: &mut Cursor<'b>) -> bool;
|
||
|
}
|
||
|
|
||
|
struct SimpleNavigator;
|
||
|
|
||
|
impl CursorNavigator for SimpleNavigator {
|
||
|
fn init_cursor<'a, 'b: 'a>(&'a self, _cursor: &mut Cursor<'b>) -> bool {
|
||
|
false
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn main() {
|
||
|
let mut c = Cursor;
|
||
|
let n = SimpleNavigator;
|
||
|
n.init_cursor(&mut c);
|
||
|
}
|