extension Reactive {

    /// A proxy which holds reactive binding target extensions of `Base`.
    struct Binds<Base> {
        fileprivate init(_ base: Base) { self.base = base }
        let base: Base
    }

    var bind: Binds<Base> { return Binds(self.base) }

    /// A proxy which holds reactive signal extensions of `Base`.
    struct Signals<Base> {
        fileprivate init(_ base: Base) { self.base = base }
        let base: Base
    }

    var signal: Signals<Base> { return Signals(self.base) }

    /// A proxy which holds reactive signal producer extensions of `Base`.
    struct Producers<Base> {
        fileprivate init(_ base: Base) { self.base = base }
        let base: Base
    }

    var producer: Producers<Base> { return Producers(self.base) }
}

extension Reactive.Binds where Base: ReactiveExtensionsProvider {
    /// Convenience `self.base.reactive` accessor.
    var reactive: Reactive<Base> { return self.base.reactive }
}

extension Reactive.Signals where Base: ReactiveExtensionsProvider {
    /// Convenience `self.base.reactive` accessor.
    var reactive: Reactive<Base> { return self.base.reactive }
}

extension Reactive.Producers where Base: ReactiveExtensionsProvider {
    /// Convenience `self.base.reactive` accessor.
    var reactive: Reactive<Base> { return self.base.reactive }
}