static const string

I. Possible combinations: (1) const char * P (2) Char const * P (3) char * const P(4) const char ** P (5) Char const ** P (6) char * const * P (7) Char ** const P Of course, there are several cases of inserting a const in (5), (6), and

Use const whenever possible One wonderful thing about const is that it allows you to specify a semantic constraint: a specific object should not be modified. The compiler will execute this constraint. It allows you to notify the compiler and other

Item 3: Use const whenever possible By Scott Meyers Translator: fatalerror99 (itepub's nirvana) Release: http://blog.csdn.net/fatalerror99/ One wonderful thing about const is that it allows you to specify a semantic (semantic) Constraint: a specific

Const, static, extern usage summary, constextern Const application: 1. For the basic declaration const int r = 100; // standard const variable declaration and initialization, the compiler will directly replace it with 100 during compilation after

Overview:The source code of the C preprocessor handler, which runs before the compiler, usually begins with the symbol #.Also involves static, const knowledge points ... Some are similar to Java ... Some easily confuse t.t.Many of the chapters in

C + + keyword Static,register,const,volatile,extern Static variables are scoped to a file, space is allocated at the beginning of the program, Space is freed at the end, default is initialized to 0, and its value can be changed when used.

The const in C + + can be used to modify variables, functions, and have different meanings in different places, as summarized below. The semantics of the const The purpose of const in C + + is to guarantee the constant nature of objects through

I. Static: static is a common modifier in C ++. It is used to control the storage and visibility of variables, next I will talk about the reason and role of the static modifier, and fully analyze the essence of the static modifier. Static: 1.

Objective This article mainly describes how to use CONST,STATIC,EXTERN3 in the development of keywords, if you like my article, you can pay attention to my microblog: Acridine a Zheng, you can also come to small code brother, understand our iOS

Const, static, extern introduction, constexternConst, static, extern Introduction 1. Difference Between const and macro: Const Introduction: the commonly used string constants are generally extracted into macros, but apple does not recommend that