Concept definition

template<typename Context>
concept hi::v1::dsp_argument = 
    std::same_as<Context, float> or
    std::same_as<Context. double> or
    std::same_as<Context. std::span<float>> or
    std::same_as<Context. std::span<double>> or
    std::same_as<Context. std::span<float const>> or
    std::same_as<Context. std::span<double const>>