In this program, we overload theabsolute()function. Based on the type of parameter passed during the function call, the corresponding function is called. Example 2: Overloading Using Different Number of Parameters #include<iostream>usingnamespacestd;// function with 2 parametersvoiddisplay(intvar1...
For example, a print function that takes a string (or char *) argument performs very different tasks than one that takes an argument of type double. Overloading permits uniform naming and prevents programmers from having to invent names such as print_sz or print_d. Table 7.3 shows what ...
That is, the const and volatile type-specifiers for each parameter type are ignored when determining which function is being declared, defined, or called. For example, following program fails in compilation with error “redefinition of `int f(int)’“ Example: 1#include<iostream>2#include<stdio...
Function overloading and return type In C++ and Java, functions can not be overloaded if they differ only in the return type. For example, the following program C++ and Java programs fail in compilation. (1)C++ Program 1#include<iostream>2intfoo()3{4return10;5}67charfoo() {//compiler ...
ExampleThe following example illustrates how you can use function overloads:C++ Copiere // function_overloading.cpp // compile with: /EHsc #include <iostream> #include <math.h> #include <string> // Prototype three print functions. int print(std::string s); // Print a string. int ...
ExampleThe following example illustrates how you can use function overloads:C++ Kopiraj // function_overloading.cpp // compile with: /EHsc #include <iostream> #include <math.h> #include <string> // Prototype three print functions. int print(std::string s); // Print a string. int ...
For example, consider aprintfunction that takes astd::stringargument. This function might perform very different tasks than a function that takes an argument of typedouble. Overloading keeps you from having to use names such asprint_stringorprint_double. At compile time, the compiler chooses whi...
For example, consider aprintfunction that takes astd::stringargument. This function might perform very different tasks than a function that takes an argument of typedouble. Overloading keeps you from having to use names such asprint_stringorprint_double. At compile time, the compiler chooses whi...
Example See Also C++ allows specification of more than one function of the same name in the same scope. These are called overloaded functions and are described in detail in Overloading. Overloaded functions enable programmers to supply different semantics for a function, depending on the types and...
For example, consider aprintfunction that takes astd::stringargument. This function might perform very different tasks than a function that takes an argument of typedouble. Overloading keeps you from having to use names such asprint_stringorprint_double. At compile time, the compiler chooses whi...