| // 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 the parameter type `T` may not live long enough [E0309] |
| RefDoubleVariant1(&'a RequireOutlives<'b, T>) |
| //~^ the parameter type `T` may not live long enough [E0309] |
| } |
| |
| fn main() { } |