// Copyright 2015 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. // This is just checking that we still reject code where temp values // are borrowing values for longer than they will be around. // // Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs use std::cell::RefCell; fn foo(x: RefCell) -> String { let y = x; y.borrow().clone() //~ ERROR `y` does not live long enough } fn foo2(x: RefCell) -> String { let ret = { let y = x; y.borrow().clone() //~ ERROR `y` does not live long enough }; ret } fn main() { let r = RefCell::new(format!("data")); assert_eq!(foo(r), "data"); let r = RefCell::new(format!("data")); assert_eq!(foo2(r), "data"); }