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    // Copyright 2018 Developers of the Rand project.
    //
    // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
    // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
    // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
    // option. This file may not be copied, modified, or distributed
    // except according to those terms.

    //! The ChaCha random number generator.

    #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
           html_favicon_url = "https://www.rust-lang.org/favicon.ico",
           html_root_url = "https://rust-random.github.io/rand/")]

    #![deny(missing_docs)]
    #![deny(missing_debug_implementations)]
    #![doc(test(attr(allow(unused_variables), deny(warnings))))]

    #![cfg_attr(not(feature = "std"), no_std)]

    pub use rand_core;

    mod chacha;

    pub use crate::chacha::{ChaCha12Core, ChaCha12Rng, ChaCha20Core, ChaCha20Rng, ChaCha8Core, ChaCha8Rng};

    /// ChaCha with 20 rounds
    pub type ChaChaRng = ChaCha20Rng;
    /// ChaCha with 20 rounds, low-level interface
    pub type ChaChaCore = ChaCha20Core;

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