assignment operator in c

Assignment operator The assignment symbol "=" is the assignment operator, which is to assign a data to a variable. The function of "a=3" is to perform an assignment operation (or assignment operation). Assign the constant 3 to variable a. You can

C ++ from scratch (4) -- Value assignment operator This article is a continuation of "C ++ from scratch (ii)" and describes the content of expressions left over from "C ++ from scratch (ii, it also paves the way for the use of pointers in the next

C ++ copy constructor, copy assignment operator, mobile constructor, mobile assignment operator, destructor, right value reference, reference qualifier instance, right value of Constructor13.1 copy, assign value, and destroy 13.1.1 copy

C + + Primer learning note _27_ operator overloading and conversion (2)--++/--operator overloading,! operator overloading, assignment operator overloading, String Class ([], +, + = operator overloading), >> and One, ++/--operator overloading1, front

I. Heavy Load rules I. Operators that can be overloaded + - * / % ^ & | ~ ! = > + = -= * = /= % = ^ = & = | = > >>= = ! = > =

1. Ode value operatorFirst, the value operator introduces the operator overloads to be said later. The previous section describes constructors, copy constructors, and a class that wants better control. You need to define your own constructors, copy

The operands of predefined operators in C + + can only be basic data types, and in fact, for many user-defined types, similar operations are Required. For example:Class Complex{PublicComplex (double r=0.0,double i=0.0) {real=r;imag=i;}void Display ()

The following is a detailed summary of the description and function of various operational symbols in C #first, []square brackets ([]) are used for arrays, indexers, and properties, and also for pointers.1, the array type is a type followed by

1. How self-assignment happensWhen an object is delegated to itself, self-assignment occurs:1 class Widget {...}; 2 3 Widget W; 4 5 ... 6 7 // assignment to self,This may seem foolish, but it is legal, so be assured that the client can do so. In

First, make it clear: The system has provided the default copy constructor and the = copy operator. That is, the so-called shallow copy. But sometimes we have to provide our own rewrite. Generally, it is rewritten with pointers. For a simple example,