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#![feature(allocator_api)]
#![feature(box_syntax)]
#![feature(drain_filter)]
#![feature(exact_size_is_empty)]
#![feature(pattern)]
#![feature(repeat_generic_slice)]
#![feature(try_reserve)]
#![feature(unboxed_closures)]
#![feature(vecdeque_rotate)]
#![deny(rust_2018_idioms)]
use std::hash::{Hash, Hasher};
use std::collections::hash_map::DefaultHasher;
mod arc;
mod binary_heap;
mod btree;
mod cow_str;
mod fmt;
mod heap;
mod linked_list;
mod rc;
mod slice;
mod str;
mod string;
mod vec_deque;
mod vec;
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());
}
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