Standard C++ Library Class Reference

Click on the banner to return to the Class Reference home page.

plus

Function Object

Summary

A binary function object that returns the result of adding its first and second arguments.

Contents

Synopsis●

Description●

Interface●

Warning●

See Also●

Synopsis

#include <functional>

template<class T>

struct plus : public binary_function<T, T, T> ;

Description

plus is a binary function object. Its operator() returns the result of adding x and y. You can pass a plus

object to any algorithm that uses a binary function. For example, the transform algorithm applies a

binary operation to corresponding values in two collections and stores the result. plus would be used in

that algorithm in the following manner:

vector<int> vec1;

vector<int> vec2;

vector<int> vecResult;

transform(vec1.begin(), vec1.end(), vec2.begin(),