A binary function object that returns true if its first operand is less than its second operand.

Declaration


  #include <functional>

template< class T >
struct less : binary_function< T, T, bool >

Interface

()

bool operator()( const T& x , const T& y ) const

Returns x < y .

Example <ospace/osstd/examples/less.cpp>


    #include <iostream>
#include <algorithm>
#include <functional>

int array[ 4 ] = { 3, 1, 4, 2 };

void
main()
  {
  sort( array, array + 4, less< int >() );
  for ( int i = 0; i < 4; ++i )
    cout << array[ i ] << "\n";
  }

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less

Library

Declaration

Interface

Example <ospace/osstd/examples/less.cpp>