//@ check-pass trait A<'a> {} trait B<'b> {} fn foo() where for<'a> T: A<'a> + 'a {} trait C<'c>: for<'a> A<'a> + for<'b> B<'b> { type As; } struct D where T: for<'c> C<'c, As=&'c ()> { t: std::marker::PhantomData, } trait E<'e, 'g> { type As; } trait F<'f>: for<'a> A<'a> + for<'e> E<'e, 'f> {} struct G where T: for<'f> F<'f, As=&'f ()> { t: std::marker::PhantomData, } trait H<'a, 'b> { type As; } trait I<'a>: for<'b> H<'a, 'b> {} struct J where T: for<'i> I<'i, As=&'i ()> { t: std::marker::PhantomData, } fn main() {}