// Copyright 2012 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use core::hashmap::linear::LinearSet; struct Foo { n: LinearSet, } pub impl Foo { fn foo(&mut self, fun: fn(&int)) { for self.n.each |f| { fun(f); } } } fn bar(f: &mut Foo) { do f.foo |a| { //~ NOTE prior loan as mutable granted here f.n.insert(*a); //~ ERROR conflicts with prior loan } } fn main() { let mut f = Foo { n: LinearSet::new() }; bar(&mut f); }