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// 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.
trait IDummy {
fn do_nothing(&self);
}
#[derive(Debug)]
struct A { a: isize }
#[derive(Debug)]
struct B<'a> { b: isize, pa: &'a A }
impl IDummy for A {
fn do_nothing(&self) {
println!("A::do_nothing() is called");
}
}
impl<'a> B<'a> {
fn get_pa(&self) -> &'a IDummy { self.pa as &'a IDummy }
}
pub fn main() {
let sa = A { a: 100 };
let sb = B { b: 200, pa: &sa };
println!("sa is {:?}", sa);
println!("sb is {:?}", sb);
}
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