openharmony/third_party_rust_rustc-hash
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Merge pull request #3 from alexheretic/nicer-readme

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Add crates, doc badge & rust hightlighting to readme
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Nick Cameron 2018-06-24 16:03:32 +12:00 committed by GitHub
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# rustc-hash
[![crates.io](https://img.shields.io/crates/v/rustc-hash.svg)](https://crates.io/crates/rustc-hash)
[![Documentation](https://docs.rs/rustc-hash/badge.svg)](https://docs.rs/rustc-hash)
A speedy hash algorithm used within rustc. The hashmap in liballoc by
default uses SipHash which isn't quite as speedy as we want. In the
compiler we're not really worried about DOS attempts, so we use a fast
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## Usage
```
```rust
use rustc_hash::FxHashMap;
let map: FxHashMap<u32, u32> = FxHashMap::default();
map.insert(22, 44);
```