70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*
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* Copyright (c) 1999
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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// WARNING: This is an internal header file, included by other C++
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// standard library headers. You should not attempt to use this header
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// file directly.
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#ifndef __SGI_STL_INTERNAL_CTRAITS_FUNCTIONS_H
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#define __SGI_STL_INTERNAL_CTRAITS_FUNCTIONS_H
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// This file contains a few small adapters that allow a character
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// traits class to be used as a function object.
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__STL_BEGIN_NAMESPACE
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template <class _Traits>
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struct _Eq_traits
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: public binary_function<typename _Traits::char_type,
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typename _Traits::char_type,
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bool>
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{
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bool operator()(const typename _Traits::char_type& __x,
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const typename _Traits::char_type& __y) const
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{ return _Traits::eq(__x, __y); }
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};
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template <class _Traits>
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struct _Eq_int_traits
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: public binary_function<typename _Traits::char_type,
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typename _Traits::int_type,
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bool>
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{
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bool operator()(const typename _Traits::char_type& __x,
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const typename _Traits::int_type& __y) const
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{ return _Traits::eq_int_type(_Traits::to_int_type(__x), __y); }
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};
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template <class _Traits>
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struct _Lt_traits
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: public binary_function<typename _Traits::char_type,
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typename _Traits::char_type,
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bool>
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{
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bool operator()(const typename _Traits::char_type& __x,
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const typename _Traits::char_type& __y) const
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{ return _Traits::lt(__x, __y); }
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};
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__STL_END_NAMESPACE
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#endif /* __SGI_STL_INTERNAL_CTRAITS_FUNCTIONS_H */
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// Local Variables:
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// mode:C++
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// End:
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