| // 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 |
| |
| // Various examples of structs whose fields are not well-formed. |
| |
| #![allow(dead_code)] |
| |
| trait Dummy<'a> { |
| type Out; |
| } |
| impl<'a, T> Dummy<'a> for T |
| where T: 'a |
| { |
| type Out = (); |
| } |
| type RequireOutlives<'a, T> = <T as Dummy<'a>>::Out; |
| |
| enum Ref1<'a, T> { |
| Ref1Variant1(RequireOutlives<'a, T>) //~ ERROR the parameter type `T` may not live long enough |
| } |
| |
| enum Ref2<'a, T> { |
| Ref2Variant1, |
| Ref2Variant2(isize, RequireOutlives<'a, T>), //~ ERROR the parameter type `T` may not live long enough |
| } |
| |
| enum RefOk<'a, T:'a> { |
| RefOkVariant1(&'a T) |
| } |
| |
| // This is now well formed. RFC 2093 |
| enum RefIndirect<'a, T> { |
| RefIndirectVariant1(isize, RefOk<'a,T>) |
| } |
| |
| enum RefDouble<'a, 'b, T> { //~ ERROR 45:1: 48:2: the parameter type `T` may not live long enough [E0309] |
| RefDoubleVariant1(&'a RequireOutlives<'b, T>) |
| //~^ 46:23: 46:49: the parameter type `T` may not live long enough [E0309] |
| } |
| |
| fn main() { } |