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# /export2/deucetmp/bala/release_try/ACE_wrappers/ace/Functor_T.h File Reference

`#include "ace/Functor.h"`
`#include "ace/Functor_T.i"`
`#include "ace/Functor_T.cpp"`

Include dependency graph for Functor_T.h:

This graph shows which files directly or indirectly include this file:

## Compounds
class | ACE_Command_Callback
| Defines a class template that allows us to invoke a GOF command style callback to an object without knowing anything about the object except its type. More...
class | ACE_Equal_To
| Function object for comparing two objects of the given type for equality. More...
class | ACE_Hash
| Function object for hashing. More...
class | ACE_Less_Than
| Function object for determining whether the first object of the given type is less than the second object of the same type. More...
class | ACE_Pointer_Hash
| Function object for hashing pointers. More...

## Detailed Description

Id:
  Functor_T.h,v 4.15 2003/07/19 19:04:11 dhinton Exp

Templatized classes for implementing function objects that are used in various places in ACE. There are currently two major categories of function objects in ACE: GOF Command Pattern objects, and STL-style functors for comparison of container elements. The command objects are invoked via an <execute> method, while the STL-style functors are invoked via an <operator()> method.

Author:
  Chris Gill <cdgill@cs.wustl.edu> , Based on Command Pattern implementations originally done by , Carlos O'Ryan <coryan@cs.wustl.edu> , Douglas C. Schmidt <schmidt@cs.wustl.edu> , Sergio Flores-Gaitan <sergio@cs.wustl.edu> , and on STL-style functor implementations originally done by , Irfan Pyarali <irfan@cs.wustl.edu>