rust/src/test/compile-fail/lifetime-inference-give-expl-lifetime-param-3.rs
Niko Matsakis 136a83ad4d fallout in tests
in some cases we give more specific messages or fewer
duplicates, now that we have cache and make fewer region variables
2016-05-31 19:59:33 -04:00

33 lines
1.2 KiB
Rust

// Copyright 2014 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.
// ignore-tidy-linelength
use std::marker::PhantomData;
struct Bar<'x, 'y, 'z> { bar: &'y i32, baz: i32, marker: PhantomData<(&'x(),&'y(),&'z())> }
fn bar1<'a>(x: &Bar) -> (&'a i32, &'a i32, &'a i32) {
//~^ HELP consider using an explicit lifetime parameter as shown: fn bar1<'b, 'c, 'a>(x: &'a Bar<'b, 'a, 'c>) -> (&'a i32, &'a i32, &'a i32)
(x.bar, &x.baz, &x.baz)
//~^ ERROR E0312
//~| ERROR cannot infer
//~| ERROR cannot infer
}
fn bar2<'a, 'b, 'c>(x: &Bar<'a, 'b, 'c>) -> (&'a i32, &'a i32, &'a i32) {
//~^ HELP: consider using an explicit lifetime parameter as shown: fn bar2<'a, 'c>(x: &'a Bar<'a, 'a, 'c>) -> (&'a i32, &'a i32, &'a i32)
(x.bar, &x.baz, &x.baz)
//~^ ERROR E0312
//~| ERROR cannot infer
//~| ERROR cannot infer
}
fn main() { }