40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// This is largely checking that we now accept code where temp values
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// are borrowing from the input parameters (the `foo` case below).
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//
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// Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs
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//
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// (The `foo2` case is just for parity with the above test, which
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// shows what happens when you move the `y`-binding to the inside of
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// the inner block.)
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use std::cell::RefCell;
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fn foo(x: RefCell<String>) -> String {
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x.borrow().clone()
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}
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fn foo2(x: RefCell<String>) -> String {
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let y = x;
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let ret = {
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y.borrow().clone()
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};
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ret
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}
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pub fn main() {
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let r = RefCell::new(format!("data"));
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assert_eq!(foo(r), "data");
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let r = RefCell::new(format!("data"));
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assert_eq!(foo2(r), "data");
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}
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