Snippet showing type simplification via using statements

GeneticsTypesExample.hpp

        // -------------------------------------------------------------------- Types - Axon_Gene_Interface_Input_Fixed_t
        using Axon_Gene_Interface_Input_Fixed_t =
            NeuralNet::LSTM::Axon_Gene_Interface_Only
            <
                Mutatable_Index_t,
                Mutatable_Weight_t,
                NeuralNet::LSTM::Interface_Only_Mode_Select::Interface_Input_Only,
                NeuralNet::LSTM::Interface_Only_Fixed::Yes
            >;

        // -------------------------------------------------------------------- Types - Axon_Gene_Interface_Output_Fixed_t
        using Axon_Gene_Interface_Output_Fixed_t =
            NeuralNet::LSTM::Axon_Gene_Interface_Only
            <
                Mutatable_Index_t,
                Mutatable_Weight_t,
                NeuralNet::LSTM::Interface_Only_Mode_Select::Interface_Output_Only,
                NeuralNet::LSTM::Interface_Only_Fixed::Yes
            >;

        // -------------------------------------------------------------------- Types - Axon_Gene_Interface_Input_t
        using Axon_Gene_Interface_Input_t =
            NeuralNet::LSTM::Axon_Gene_Interface_Only
            <
                Mutatable_Index_t,
                Mutatable_Weight_t,
                NeuralNet::LSTM::Interface_Only_Mode_Select::Interface_Input_Only,
                NeuralNet::LSTM::Interface_Only_Fixed::No
            >;

        // -------------------------------------------------------------------- Types - Axon_Gene_Interface_Output_t
        using Axon_Gene_Interface_Output_t =
            NeuralNet::LSTM::Axon_Gene_Interface_Only
            <
                Mutatable_Index_t,
                Mutatable_Weight_t,
                NeuralNet::LSTM::Interface_Only_Mode_Select::Interface_Output_Only,
                NeuralNet::LSTM::Interface_Only_Fixed::No
            >;

        // -------------------------------------------------------------------- Types - Axon_Gene_Internal_Only_t
        using Axon_Gene_Internal_Only_t =
            NeuralNet::LSTM::Axon_Gene_Internal_Only
            <
                Mutatable_Weight_t
            >;

        // -------------------------------------------------------------------- Types - Neuron_Gene_t
        using Neuron_Gene_t =
            NeuralNet::LSTM::Neuron_Gene
            <
                Mutatable_Weight_t
            >;

        // -------------------------------------------------------------------- Types - Chromosomes
        using Chromosome_Fixed_Input_Axons_t  = Genetics::Chromosome< Axon_Gene_Interface_Input_Fixed_t  >;
        using Chromosome_Fixed_Output_Axons_t = Genetics::Chromosome< Axon_Gene_Interface_Output_Fixed_t >;
        using Chromosome_Input_Axons_t        = Genetics::Chromosome< Axon_Gene_Interface_Input_t        >;
        using Chromosome_Output_Axons_t       = Genetics::Chromosome< Axon_Gene_Interface_Output_t       >;
        using Chromosome_Internal_Axons_t     = Genetics::Chromosome< Axon_Gene_Internal_Only_t          >;
        using Chromosome_Neurons_t            = Genetics::Chromosome< Neuron_Gene_t                      >;

        // -------------------------------------------------------------------- Types - Chromosome Collections
        using Collection_Input_Chromosomes_t    = std::vector< Chromosome_Input_Axons_t    >;
        using Collection_Output_Chromosomes_t   = std::vector< Chromosome_Output_Axons_t   >;
        using Collection_Internal_Chromosomes_t = std::vector< Chromosome_Internal_Axons_t >;
        using Collection_Neuron_Chromosomes_t   = std::vector< Chromosome_Neurons_t        >;

    private:
        // -------------------------------------------------------------------- State
        const Chromosome_Fixed_Input_Axons_t    _fixed_input_axon_chromosome;
        const Chromosome_Fixed_Output_Axons_t   _fixed_output_axon_chromosome;
        const Collection_Input_Chromosomes_t    _input_axon_chromosomes;
        const Collection_Output_Chromosomes_t   _output_axon_chromosomes;
        const Collection_Internal_Chromosomes_t _internal_axon_chromosomes;
        const Collection_Neuron_Chromosomes_t   _neuron_chromosomes;