diff options
Diffstat (limited to 'src/test/ui/associated-type-bounds/fn-where.rs')
-rw-r--r-- | src/test/ui/associated-type-bounds/fn-where.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/ui/associated-type-bounds/fn-where.rs b/src/test/ui/associated-type-bounds/fn-where.rs new file mode 100644 index 000000000..9c4f82ac9 --- /dev/null +++ b/src/test/ui/associated-type-bounds/fn-where.rs @@ -0,0 +1,79 @@ +// run-pass +// aux-build:fn-aux.rs + +#![allow(unused)] +#![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)); +} |