CodeStyleExample

// <---------- header.hpp
#pragma once


#inclide <some_lib.h>


namespace MyNamespace {
    /**
     * Info about class
     * @author Vasya Pupkin (email@email.info) 2020
     */
    class SomeClass {
    private:
        static constexpr int COMPILE_TIME_CONSTANT = 100000;

        // Initialized from constructor
        static const int RUNTIME_CONSTANT;

        double z;

    public:
        /**
         * Info
         * @param constant_value Sth about it
         * @param z_value It's z_value woohoo_poohoo
         */
        SomeClass(int constant_value, double z_value)
            : RUNTIME_CONSTANT(constant_value)
            , z(z_value);

        /**
         * Info
         * @param z_new It's z_new woohoo_poohoo
         */
        void setZ(double z_new) noexcept;

        /**
         * Info
         * @return Z coordinate
         */
        double getZ() const noexcept;

        // Something else...

    protected:
        // Protected methods..

    private:
        // Private methods...
    }

}


// <---------- header.cpp
#include "header.hpp"

MyNamespace::SomeClass::SomeClass(int constant_value, double z_value) {
        // constructor body
}

void MyNamespace::SomeClass::setZ(double z_new) noexcept {
        z = z_new;
}

int MyNamespace::SomeClass::getZ() const noexcept {
    return z;
}