amplify 4.0.0-beta.19

Amplifying Rust language capabilities: multiple generic trait implementations, type wrappers, derive macros
Documentation 
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// Rust language amplification library providing multiple generic trait
// implementations, type wrappers, derive macros and other language enhancements
//
// Written in 2019-2020 by
//     Dr. Maxim Orlovsky <orlovsky@pandoracore.com>
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to
// the public domain worldwide. This software is distributed without
// any warranty.
//
// You should have received a copy of the MIT License
// along with this software.
// If not, see <https://opensource.org/licenses/MIT>.

/// Trait for splittable streams and other types, which can be separated into
/// some two types ([`JoinSplit::A`], [`JoinSplit::B`]), like a reader and
/// writer streams.
pub trait JoinSplit {
    /// First separable type (like reader)
    type A;
    /// Second separable type (like writer)
    type B;

    /// Reconstruct the type from the halves
    fn join(left: Self::A, right: Self::B) -> Self;

    /// Split the type into two
    fn split(self) -> (Self::A, Self::B);
}