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greater_equal (3)
  • >> greater_equal (3) ( Solaris man: Библиотечные вызовы )
  • 
                           Standard C++ Library
                 Copyright 1998, Rogue Wave Software, Inc.
    
    
    NAME
         greater_equal
    
          - A binary function object that returns true if  its  first
         argument is greater than or equal to its second
    
    
    
    SYNOPSIS
         #include <functional>
         template <class T>
         struct greater_equal ; : binary_function<T, T, bool> {
          bool operator() (const T&, const T&) const;
         };
    
    
    
    DESCRIPTION
         greater_equal is a binary function  object.  Its  operator()
         returns  true  if  x  is greater than or equal to y. You can
         pass a greater_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. greater_equal would be used in that algorithm in
         the following manner:
    
    
         vector<int> vec1;
         sort(vec1.begin(), vec1.end(),greater_equal<int>());
    
         After this call to sort, vec1 is sorted in descending order.
    
    
    
    WARNINGS
         If your compiler does not support default  template  parame-
         ters,  then you always need to supply the Allocator template
         argument. For instance, you have to write:
    
         vector<int, allocator<int> >
    
         instead of
    
         vector<int>
    
         If your compiler does not support namespaces,  then  you  do
         not need the using declaration for std.
    
    
    
    SEE ALSO
         Function_Objects
    
    
    
    


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