1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 #![feature(default_type_parameter_fallback)]
14 use std::marker::PhantomData;
16 pub struct DeterministicHasher;
17 pub struct RandomHasher;
20 pub struct MyHashMap<K, V, H=DeterministicHasher> {
21 data: PhantomData<(K, V, H)>
24 impl<K, V, H> MyHashMap<K, V, H> {
25 fn new() -> MyHashMap<K, V, H> {
26 MyHashMap { data: PhantomData }
31 use super::{MyHashMap, RandomHasher};
32 pub type HashMap<K, V, H=RandomHasher> = MyHashMap<K, V, H>;
35 fn try_me<H>(hash_map: mystd::HashMap<i32, i32, H>) {}
38 let hash_map = mystd::HashMap::new();