0. Style Guide

C++ Style Guide

Naming

Component	Naming Convention
Class	ClassName
Function	FunctionName
Private variable	_variableName
Public variable	VariableName
Function variable	variableName
Constant	CONSTANT_NAME
Enum	EnumName
Struct	StructName

Example

#include <string>
#include <iostream>

class GreetingClass
{
    private: 
        const std::string WELCOME_STRING = "Welcome ";
        std::string _firstName;
        
    public: 
        std::string LastName;

        void PrintWelcomeText()
        {
            auto welcomeText = WELCOME_STRING + _firstName;
        
            if(!LastName.empty())
            {
                welcomeText += " " + LastName;
            }
            
            std::cout << welcomeText << std::endl;
        }
    
    GreetingClass(std::string firstName)
    {
        _firstName = firstName;
    }
};

int main()
{
    auto greetingObject = new GreetingClass("Syed");

    greetingObject->LastName = "Ali";
    greetingObject->PrintWelcomeText();
    
    return 0;
}

output: Welcome Syed Ali