| #![feature(allocator_api)] |
| #![feature(box_syntax)] |
| #![feature(cow_is_borrowed)] |
| #![feature(const_cow_is_borrowed)] |
| #![feature(drain_filter)] |
| #![feature(exact_size_is_empty)] |
| #![feature(new_uninit)] |
| #![feature(pattern)] |
| #![feature(str_split_once)] |
| #![feature(trusted_len)] |
| #![feature(try_reserve)] |
| #![feature(unboxed_closures)] |
| #![feature(associated_type_bounds)] |
| #![feature(binary_heap_into_iter_sorted)] |
| #![feature(binary_heap_drain_sorted)] |
| #![feature(slice_ptr_get)] |
| #![feature(split_inclusive)] |
| #![feature(binary_heap_retain)] |
| #![feature(deque_range)] |
| #![feature(inplace_iteration)] |
| #![feature(iter_map_while)] |
| #![feature(int_bits_const)] |
| |
| use std::collections::hash_map::DefaultHasher; |
| use std::hash::{Hash, Hasher}; |
| |
| mod arc; |
| mod binary_heap; |
| mod borrow; |
| mod boxed; |
| mod btree_set_hash; |
| mod cow_str; |
| mod fmt; |
| mod heap; |
| mod linked_list; |
| mod rc; |
| mod slice; |
| mod str; |
| mod string; |
| mod vec; |
| mod vec_deque; |
| |
| fn hash<T: Hash>(t: &T) -> u64 { |
| let mut s = DefaultHasher::new(); |
| t.hash(&mut s); |
| s.finish() |
| } |
| |
| // FIXME: Instantiated functions with i128 in the signature is not supported in Emscripten. |
| // See https://github.com/kripken/emscripten-fastcomp/issues/169 |
| #[cfg(not(target_os = "emscripten"))] |
| #[test] |
| fn test_boxed_hasher() { |
| let ordinary_hash = hash(&5u32); |
| |
| let mut hasher_1 = Box::new(DefaultHasher::new()); |
| 5u32.hash(&mut hasher_1); |
| assert_eq!(ordinary_hash, hasher_1.finish()); |
| |
| let mut hasher_2 = Box::new(DefaultHasher::new()) as Box<dyn Hasher>; |
| 5u32.hash(&mut hasher_2); |
| assert_eq!(ordinary_hash, hasher_2.finish()); |
| } |
