From 35ff2def5ddc2cf90b1dc5eebcd6a32641a04ea2 Mon Sep 17 00:00:00 2001 From: P1start Date: Mon, 15 Sep 2014 21:20:05 +1200 Subject: Clarify some borrowck errors Closes #17263. --- src/test/compile-fail/issue-17263.rs | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 src/test/compile-fail/issue-17263.rs (limited to 'src/test/compile-fail') diff --git a/src/test/compile-fail/issue-17263.rs b/src/test/compile-fail/issue-17263.rs new file mode 100644 index 00000000000..b610a2b0c91 --- /dev/null +++ b/src/test/compile-fail/issue-17263.rs @@ -0,0 +1,23 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +struct Foo { a: int, b: int } + +fn main() { + let mut x = box Foo { a: 1, b: 2 }; + let (a, b) = (&mut x.a, &mut x.b); + //~^ ERROR cannot borrow `x` (here through borrowing `x.b`) as mutable more than once at a time + //~^^ NOTE previous borrow of `x` occurs here (through borrowing `x.a`) + + let mut foo = box Foo { a: 1, b: 2 }; + let (c, d) = (&mut foo.a, &foo.b); + //~^ ERROR cannot borrow `foo` (here through borrowing `foo.b`) as immutable + //~^^ NOTE previous borrow of `foo` occurs here (through borrowing `foo.a`) +} -- cgit 1.4.1-3-g733a5