C++ is a multiparadigm programming language, one supporting a combination of procedural, object-oriented, functional, generic and metaprogramming features
C++ isn’t a unified language with a single set of rules; it’s a federation of four sublanguages, each with its own conventions
C
Object-Oriented C++
Template C++
The STL
Prefer consts, enums, and inlines to #defines
#define may be treated as if it is not part of the language per se
#define ASPECT__RATIO 1.653 (wrong)
Const double AspectRatio = 1.653; (right)
To define a constant char*-based string in a header file, you have to write const twice:
Const char* const authorName = “Scott Meyers”;
But, string objects are generally preferable to their char*based progenitors:
Const std::string authorName(“Scott Meyers”)
Class-specific constants
Usually C++ requires that you provide a definition for anything you use, but class-specific constants that are static and of integral type are an exception
Class GamePlayer{
Private:
Static const int NumTurns =5; // constant declaration
Int scores[NumTurns]; // use of constant
};
