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// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Test that Cell is considered invariant with respect to its
// type.
use std::cell::Cell;
struct Foo<'a> {
x: Cell<Option<&'a isize>>,
}
fn use_<'short,'long>(c: Foo<'short>,
s: &'short isize,
l: &'long isize,
_where:Option<&'short &'long ()>) {
let _: Foo<'long> = c; //~ ERROR mismatched types
}
fn main() {
}
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