core_collections 0.3.20170409

This is a copy of libstd::collections with all the parts that don't work in core removed. Most importantly, it provides HashMap and HashSet. This crate is (mostly) automatically generated from the rust git source. The version of the source that corresponds to your compiler version will be selected automatically by the build script. This depends on the rand crate, so make sure to include that and configure the no_std feature on it. 
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![allow(deprecated)]

use core::clone::Clone;
use core::default::Default;
use core::hash;
use core::marker;

pub use core::hash::HashState;

/// A structure which is a factory for instances of `Hasher` which implement the
/// default trait.
///
/// This struct is 0-sized and does not need construction.
pub struct DefaultState<H>(marker::PhantomData<H>);

impl<H: Default + hash::Hasher> HashState for DefaultState<H> {
    type Hasher = H;
    fn hasher(&self) -> H { Default::default() }
}

impl<H> Clone for DefaultState<H> {
    fn clone(&self) -> DefaultState<H> { DefaultState(marker::PhantomData) }
}

impl<H> Default for DefaultState<H> {
    fn default() -> DefaultState<H> { DefaultState(marker::PhantomData) }
}