| // run-pass |
| // aux-build:fn-aux.rs |
| |
| #![feature(associated_type_bounds)] |
| |
| extern crate fn_aux; |
| |
| use fn_aux::*; |
| |
| // ATB, Type parameters, Where-clauses: |
| |
| fn where_bound<B>(beta: B) -> usize |
| where |
| B: Beta<Gamma: Alpha> |
| { |
| desugared_bound(beta) |
| } |
| |
| fn where_bound_region<B>(beta: B) -> usize |
| where |
| B: Beta<Gamma: 'static> |
| { |
| desugared_bound_region(beta) |
| } |
| |
| fn where_bound_multi<B>(beta: B) -> usize |
| where |
| B: Copy + Beta<Gamma: Alpha + 'static + Delta>, |
| { |
| desugared_bound_multi(beta) |
| } |
| |
| fn where_bound_region_specific<'a, B>(gamma: &'a B::Gamma) -> usize |
| where |
| B: Beta<Gamma: 'a + Epsilon<'a>>, |
| { |
| desugared_bound_region_specific::<B>(gamma) |
| } |
| |
| fn where_bound_region_forall<B>(beta: B) -> usize |
| where |
| B: Beta<Gamma: Copy + for<'a> Epsilon<'a>>, |
| { |
| desugared_bound_region_forall(beta) |
| } |
| |
| fn where_bound_region_forall2<B>(beta: B) -> usize |
| where |
| B: Beta<Gamma: Copy + for<'a> Epsilon<'a, Zeta: Eta>>, |
| { |
| desugared_bound_region_forall2(beta) |
| } |
| |
| fn where_contraint_region_forall<B>(beta: B) -> usize |
| where |
| for<'a> &'a B: Beta<Gamma: Alpha>, |
| { |
| desugared_contraint_region_forall(beta) |
| } |
| |
| fn where_bound_nested<B>(beta: B) -> usize |
| where |
| B: Beta<Gamma: Copy + Alpha + Beta<Gamma: Delta>>, |
| { |
| desugared_bound_nested(beta) |
| } |
| |
| fn main() { |
| let beta = BetaType; |
| let gamma = beta.gamma(); |
| |
| assert_eq!(42, where_bound(beta)); |
| assert_eq!(24, where_bound_region(beta)); |
| assert_eq!(42 + 24 + 1337, where_bound_multi(beta)); |
| assert_eq!(7331, where_bound_region_specific::<BetaType>(&gamma)); |
| assert_eq!(7331 * 2, where_bound_region_forall::<BetaType>(beta)); |
| assert_eq!(42 + 1337, where_bound_nested::<BetaType>(beta)); |
| } |