tests/ui/rfc-2093-infer-outlives/regions-outlives-nominal-type-type-rev.rs

   1 // Test that a nominal type (like `Foo<'a>`) outlives `'b` if its
   2 // arguments (like `'a`) outlive `'b`.
   3 //
   4 // Rule OutlivesNominalType from RFC 1214.
   5
   6
   7 #![allow(dead_code)]
   8
   9 mod variant_struct_type {
  10     struct Foo<T> {
  11         x: fn(T)
  12     }
  13     trait Trait<'a, 'b> {
  14         type Out;
  15     }
  16     impl<'a, 'b> Trait<'a, 'b> for usize {
  17         type Out = &'a Foo<&'b i32>; //~ ERROR reference has a longer lifetime
  18     }
  19 }
  20
  21
  22 fn main() { }