asyncpp/include/asyncpp/core/future.pre.h

#pragma once

namespace asyncpp
{

    template<typename T_impl>
    struct future_base
    {
    public:
        using impl_type = T_impl;

    public:
        template<typename X_future>
        static inline auto poll(X_future& self) = delete;

        template<typename X_future, typename X_lambda>
        static inline auto map(X_future&& self, X_lambda&& p_lambda);

        template<typename X_future, typename X_lambda>
        static inline auto and_then(X_future&& self, X_lambda&& p_lambda);
    };

    template<typename T, typename = void>
    struct future_trait;

    template<
        typename T_object,
        typename T_impl = future_trait<std::decay_t<T_object>>>
    struct future;

    /**
     * @brief Construct a future from the given value.
     */
    template<typename X_value>
    constexpr decltype(auto) as_future(X_value&& value);

}