Standard C++ Library Class Reference

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less_equal

Function Object

Summary

Binary function object that returns true if its first argument is less than or equal to its second

Contents

Synopsis●

Description●

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Synopsis

#include<functional>

template <class T>

struct less_equal : public binary_function<T, T, bool>;

Description

less_equal is a binary function object. Its operator() returns true if x is less than or equal to y. You

can pass a less_equal object to any algorithm that requires a binary function. For example, the sort

algorithm can accept a binary function as an alternate comparison object to sort a sequence.

less_equal would be used in that algorithm in the following manner:

vector<int> vec1;

sort(vec1.begin(), vec1.end(),less_equal<int>());