5 #![feature(associated_type_bounds)]
11 // ATB, Type parameters, Where-clauses:
13 fn where_bound<B>(beta: B) -> usize
20 fn where_bound_region<B>(beta: B) -> usize
22 B: Beta<Gamma: 'static>
24 desugared_bound_region(beta)
27 fn where_bound_multi<B>(beta: B) -> usize
29 B: Copy + Beta<Gamma: Alpha + 'static + Delta>,
31 desugared_bound_multi(beta)
34 fn where_bound_region_specific<'a, B>(gamma: &'a B::Gamma) -> usize
36 B: Beta<Gamma: 'a + Epsilon<'a>>,
38 desugared_bound_region_specific::<B>(gamma)
41 fn where_bound_region_forall<B>(beta: B) -> usize
43 B: Beta<Gamma: Copy + for<'a> Epsilon<'a>>,
45 desugared_bound_region_forall(beta)
48 fn where_bound_region_forall2<B>(beta: B) -> usize
50 B: Beta<Gamma: Copy + for<'a> Epsilon<'a, Zeta: Eta>>,
52 desugared_bound_region_forall2(beta)
55 fn where_contraint_region_forall<B>(beta: B) -> usize
57 for<'a> &'a B: Beta<Gamma: Alpha>,
59 desugared_contraint_region_forall(beta)
62 fn where_bound_nested<B>(beta: B) -> usize
64 B: Beta<Gamma: Copy + Alpha + Beta<Gamma: Delta>>,
66 desugared_bound_nested(beta)
71 let gamma = beta.gamma();
73 assert_eq!(42, where_bound(beta));
74 assert_eq!(24, where_bound_region(beta));
75 assert_eq!(42 + 24 + 1337, where_bound_multi(beta));
76 assert_eq!(7331, where_bound_region_specific::<BetaType>(&gamma));
77 assert_eq!(7331 * 2, where_bound_region_forall::<BetaType>(beta));
78 assert_eq!(42 + 1337, where_bound_nested::<BetaType>(beta));