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STLport-4.5.3
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stl
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_ctraits_fns.h
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C/C++ Source or Header
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2001-01-26
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3KB
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96 lines
/*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
// WARNING: This is an internal header file, included by other C++
// standard library headers. You should not attempt to use this header
// file directly.
#ifndef _STLP_INTERNAL_CTRAITS_FUNCTIONS_H
#define _STLP_INTERNAL_CTRAITS_FUNCTIONS_H
# ifndef _STLP_INTERNAL_FUNCTION_H
# include <stl/_function_base.h>
# endif
// This file contains a few small adapters that allow a character
// traits class to be used as a function object.
_STLP_BEGIN_NAMESPACE
template <class _Traits>
struct _Eq_traits
: public binary_function<typename _Traits::char_type,
typename _Traits::char_type,
bool>
{
bool operator()(const typename _Traits::char_type& __x,
const typename _Traits::char_type& __y) const
{ return _Traits::eq(__x, __y); }
};
template <class _Traits>
struct _Eq_char_bound
: public unary_function<typename _Traits::char_type, bool>
{
typename _Traits::char_type __val;
_Eq_char_bound(typename _Traits::char_type __c) : __val(__c) {}
bool operator()(const typename _Traits::char_type& __x) const
{ return _Traits::eq(__x, __val); }
};
template <class _Traits>
struct _Neq_char_bound
: public unary_function<typename _Traits::char_type, bool>
{
typename _Traits::char_type __val;
_Neq_char_bound(typename _Traits::char_type __c) : __val(__c) {}
bool operator()(const typename _Traits::char_type& __x) const
{ return !_Traits::eq(__x, __val); }
};
template <class _Traits>
struct _Eq_int_bound
: public unary_function<typename _Traits::char_type, bool>
{
typename _Traits::int_type __val;
_Eq_int_bound(typename _Traits::int_type __c) : __val(__c) {}
bool operator()(const typename _Traits::char_type& __x) const
{ return _Traits::eq_int_type(_Traits::to_int_type(__x), __val); }
};
# if 0
template <class _Traits>
struct _Lt_traits
: public binary_function<typename _Traits::char_type,
typename _Traits::char_type,
bool>
{
bool operator()(const typename _Traits::char_type& __x,
const typename _Traits::char_type& __y) const
{ return _Traits::lt(__x, __y); }
};
# endif
_STLP_END_NAMESPACE
#endif /* _STLP_INTERNAL_CTRAITS_FUNCTIONS_H */
// Local Variables:
// mode:C++
// End: