// 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. pure fn pure_borrow(_x: &int, _y: ()) {} fn test1(x: @mut ~int) { // Here, evaluating the second argument actually invalidates the // first borrow, even though it occurs outside of the scope of the // borrow! pure_borrow(*x, *x = ~5); //~ ERROR illegal borrow unless pure //~^ NOTE impure due to assigning to dereference of mutable @ pointer } fn test2() { let mut x = ~1; // Same, but for loanable data: pure_borrow(x, x = ~5); //~ ERROR assigning to mutable local variable prohibited due to outstanding loan //~^ NOTE loan of mutable local variable granted here copy x; } fn main() { }