rust/src/test/compile-fail/regions-infer-invariance-due-to-decl.rs
Alex Crichton 1506b34e0c rollup merge of #22286: nikomatsakis/variance-4b
Conflicts:
	src/librustc/middle/infer/combine.rs
	src/librustc_typeck/check/wf.rs
2015-02-18 15:52:01 -08:00

27 lines
775 B
Rust

// 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.
use std::marker;
struct invariant<'a> {
marker: marker::PhantomData<*mut &'a()>
}
fn to_same_lifetime<'r>(b_isize: invariant<'r>) {
let bj: invariant<'r> = b_isize;
}
fn to_longer_lifetime<'r>(b_isize: invariant<'r>) -> invariant<'static> {
b_isize //~ ERROR mismatched types
}
fn main() {
}