// 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 or the MIT license // , 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 Foo<'x> { bar: isize, marker: PhantomData<&'x ()> } fn foo1<'a>(x: &Foo) -> &'a isize { //~^ HELP: consider using an explicit lifetime parameter as shown: fn foo1<'a>(x: &'a Foo) -> &'a isize &x.bar //~ ERROR: cannot infer } fn foo2<'a, 'b>(x: &'a Foo) -> &'b isize { //~^ HELP: consider using an explicit lifetime parameter as shown: fn foo2<'a>(x: &'a Foo) -> &'a isize &x.bar //~ ERROR: cannot infer } fn foo3<'a>(x: &Foo) -> (&'a isize, &'a isize) { //~^ HELP: consider using an explicit lifetime parameter as shown: fn foo3<'a>(x: &'a Foo) -> (&'a isize, &'a isize) (&x.bar, &x.bar) //~ ERROR: cannot infer //~^ ERROR: cannot infer } fn foo4<'a, 'b>(x: &'a Foo) -> (&'b isize, &'a isize, &'b isize) { //~^ HELP: consider using an explicit lifetime parameter as shown: fn foo4<'a>(x: &'a Foo) -> (&'a isize, &'a isize, &'a isize) (&x.bar, &x.bar, &x.bar) //~ ERROR: cannot infer //~^ ERROR: cannot infer } struct Cat<'x, T> { cat: &'x isize, t: T } struct Dog<'y> { dog: &'y isize } fn cat2<'x, 'y>(x: Cat<'x, Dog<'y>>) -> &'x isize { x.t.dog //~ ERROR E0312 } struct Baz<'x> { bar: &'x isize } impl<'a> Baz<'a> { fn baz2<'b>(&self, x: &isize) -> (&'b isize, &'b isize) { (self.bar, x) //~ ERROR E0312 //~^ ERROR E0312 } } fn main() {}