invoke.hpp

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#ifndef BSL_INVOKE_HPP
#define BSL_INVOKE_HPP

#include "details/invoke_impl.hpp"
#include "forward.hpp"

// TODO
//
// For some reason, the use of invoke in bsl::delegate for mfp types
// is not working. We should track this down to figure out what is
// wrong with the code as the unit tests suggest everything works
// as expected, but we are getting a substituion issue on the the
// delegate side of things.
//

namespace bsl
{
    template<typename FUNC, typename... TN>
    constexpr auto
    invoke(FUNC &&f, TN &&... tn) noexcept(                     // --
        noexcept(details::invoke_impl<FUNC, TN...>::call(       // --
            bsl::forward<FUNC>(f),                              // --
            bsl::forward<TN>(tn)...)))                          // --
        -> decltype(details::invoke_impl<FUNC, TN...>::call(    // --
            bsl::forward<FUNC>(f),                              // --
            bsl::forward<TN>(tn)...))                           // --
    {                                                           // --
        return details::invoke_impl<FUNC, TN...>::call(         // --
            bsl::forward<FUNC>(f),                              // --
            bsl::forward<TN>(tn)...);                           // --
    }
}

#endif