// Copyright 2016 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. // ignore-tidy-linelength // revisions: ast mir //[mir]compile-flags: -Z borrowck=mir fn inside_closure(x: &mut i32) { } fn outside_closure_1(x: &mut i32) { } fn outside_closure_2(x: &i32) { } fn foo(a: &mut i32) { let bar = || { inside_closure(a) }; outside_closure_1(a); //[ast]~ ERROR cannot borrow `*a` as mutable because previous closure requires unique access //[mir]~^ ERROR cannot borrow `*a` as mutable because previous closure requires unique access outside_closure_2(a); //[ast]~ ERROR cannot borrow `*a` as immutable because previous closure requires unique access //[mir]~^ ERROR cannot borrow `*a` as immutable because previous closure requires unique access drop(bar); } fn main() { }