CryptoSwift/Sources/CryptoSwift/IntegerConvertible.swift

//
//  IntegerConvertible.swift
//  CryptoSwift
//
//  Created by Marcin Krzyzanowski on 02/06/15.
//  Copyright (c) 2015 Marcin Krzyzanowski. All rights reserved.
//

protocol BitshiftOperationsType {
    static func <<(lhs: Self, rhs: Self) -> Self
    static func >>(lhs: Self, rhs: Self) -> Self
    static func <<=(lhs: inout Self, rhs: Self)
    static func >>=(lhs: inout Self, rhs: Self)
}

protocol ByteConvertible {
    init(_ value: UInt8)
    init(truncatingBitPattern: UInt64)
}

extension Int: BitshiftOperationsType, ByteConvertible {}
extension Int8: BitshiftOperationsType, ByteConvertible {}
extension Int16: BitshiftOperationsType, ByteConvertible {}
extension Int32: BitshiftOperationsType, ByteConvertible {}

extension Int64: BitshiftOperationsType, ByteConvertible {

    init(truncatingBitPattern value: UInt64) {
        self = Int64(bitPattern: value)
    }
}

extension UInt: BitshiftOperationsType, ByteConvertible {}
extension UInt8: BitshiftOperationsType, ByteConvertible {}
extension UInt16: BitshiftOperationsType, ByteConvertible {}
extension UInt32: BitshiftOperationsType, ByteConvertible {}

extension UInt64: BitshiftOperationsType, ByteConvertible {

    init(truncatingBitPattern value: UInt64) {
        self = value
    }
}