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476 lines
9.5 KiB
476 lines
9.5 KiB
#pragma once
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#ifndef _STLFUNC_H_
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#define _STLFUNC_H_
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//#include <xstddef>
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#include <stddef.h>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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_STD_BEGIN
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// TEMPLATE STRUCT unary_function
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template<class _A, class _R>
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struct unary_function
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{
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typedef _A argument_type;
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typedef _R result_type;
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};
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// TEMPLATE STRUCT binary_function
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template<class _A1, class _A2, class _R>
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struct binary_function
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{
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typedef _A1 first_argument_type;
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typedef _A2 second_argument_type;
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typedef _R result_type;
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};
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// TEMPLATE STRUCT plus
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template<class _Ty>
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struct plus : binary_function<_Ty, _Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X + _Y);
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}
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};
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// TEMPLATE STRUCT minus
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template<class _Ty>
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struct minus : binary_function<_Ty, _Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X - _Y);
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}
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};
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// TEMPLATE STRUCT multiplies
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template<class _Ty>
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struct multiplies : binary_function<_Ty, _Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X * _Y);
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}
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};
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// TEMPLATE STRUCT divides
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template<class _Ty>
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struct divides : binary_function<_Ty, _Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X / _Y);
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}
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};
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// TEMPLATE STRUCT modulus
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template<class _Ty>
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struct modulus : binary_function<_Ty, _Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X % _Y);
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}
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};
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// TEMPLATE STRUCT negate
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template<class _Ty>
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struct negate : unary_function<_Ty, _Ty>
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{
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_Ty operator()(const _Ty& _X) const
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{
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return (-_X);
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}
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};
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// TEMPLATE STRUCT equal_to
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template<class _Ty>
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struct equal_to : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X == _Y);
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}
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};
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// TEMPLATE STRUCT not_equal_to
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template<class _Ty>
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struct not_equal_to : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X != _Y);
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}
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};
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// TEMPLATE STRUCT greater
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template<class _Ty>
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struct greater : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X > _Y);
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}
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};
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// TEMPLATE STRUCT less
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template<class _Ty>
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struct less : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X < _Y);
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}
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};
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// TEMPLATE STRUCT greater_equal
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template<class _Ty>
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struct greater_equal : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X >= _Y);
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}
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};
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// TEMPLATE STRUCT less_equal
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template<class _Ty>
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struct less_equal : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X <= _Y);
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}
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};
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// TEMPLATE STRUCT logical_and
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template<class _Ty>
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struct logical_and : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X && _Y);
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}
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};
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// TEMPLATE STRUCT logical_or
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template<class _Ty>
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struct logical_or : binary_function<_Ty, _Ty, bool>
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{
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bool operator()(const _Ty& _X, const _Ty& _Y) const
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{
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return (_X || _Y);
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}
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};
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// TEMPLATE STRUCT logical_not
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template<class _Ty>
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struct logical_not : unary_function<_Ty, bool>
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{
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bool operator()(const _Ty& _X) const
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{
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return (!_X);
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}
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};
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// TEMPLATE CLASS unary_negate
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template<class _Ufn>
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class unary_negate
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: public unary_function<_Ufn::argument_type, bool>
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{
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public:
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explicit unary_negate(const _Ufn& _X)
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: _Fn(_X)
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{
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}
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bool operator()(const _Ufn::argument_type& _X) const
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{
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return (!_Fn(_X));
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}
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protected:
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_Ufn _Fn;
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};
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// TEMPLATE FUNCTION not1
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template<class _Ufn> inline
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unary_negate<_Ufn> not1(const _Ufn& _X)
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{
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return (unary_negate<_Ufn>(_X));
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}
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// TEMPLATE CLASS binary_negate
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template<class _Bfn>
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class binary_negate
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: public binary_function<_Bfn::first_argument_type,
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_Bfn::second_argument_type, bool>
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{
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public:
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explicit binary_negate(const _Bfn& _X)
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: _Fn(_X)
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{
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}
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bool operator()(const _Bfn::first_argument_type& _X,
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const _Bfn::second_argument_type& _Y) const
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{
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return (!_Fn(_X, _Y));
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}
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protected:
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_Bfn _Fn;
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};
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// TEMPLATE FUNCTION not2
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template<class _Bfn> inline
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binary_negate<_Bfn> not2(const _Bfn& _X)
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{
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return (binary_negate<_Bfn>(_X));
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}
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// TEMPLATE CLASS binder1st
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template<class _Bfn>
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class binder1st
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: public unary_function<_Bfn::second_argument_type,
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_Bfn::result_type>
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{
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public:
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binder1st(const _Bfn& _X,
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const _Bfn::first_argument_type& _Y)
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: op(_X), value(_Y)
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{
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}
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result_type operator()(const argument_type& _X) const
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{
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return (op(value, _X));
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}
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protected:
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_Bfn op;
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_Bfn::first_argument_type value;
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};
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// TEMPLATE FUNCTION bind1st
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template<class _Bfn, class _Ty> inline
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binder1st<_Bfn> bind1st(const _Bfn& _X, const _Ty& _Y)
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{
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return (binder1st<_Bfn>(_X,
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_Bfn::first_argument_type(_Y)));
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}
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// TEMPLATE CLASS binder2nd
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template<class _Bfn>
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class binder2nd
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: public unary_function<_Bfn::first_argument_type,
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_Bfn::result_type>
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{
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public:
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binder2nd(const _Bfn& _X,
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const _Bfn::second_argument_type& _Y)
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: op(_X), value(_Y)
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{
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}
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result_type operator()(const argument_type& _X) const
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{
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return (op(_X, value));
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}
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protected:
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_Bfn op;
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_Bfn::second_argument_type value;
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};
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// TEMPLATE FUNCTION bind2nd
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template<class _Bfn, class _Ty> inline
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binder2nd<_Bfn> bind2nd(const _Bfn& _X, const _Ty& _Y)
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{
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return (binder2nd<_Bfn>(_X,
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_Bfn::second_argument_type(_Y)));
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}
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// TEMPLATE CLASS pointer_to_unary_function
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template<class _A, class _R>
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class pointer_to_unary_function
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: public unary_function<_A, _R>
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{
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public:
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explicit pointer_to_unary_function(_R (__cdecl *_X)(_A))
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: _Fn(_X)
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{
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}
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_R operator()(_A _X) const
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{
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return (_Fn(_X));
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}
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protected:
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_R (__cdecl *_Fn)(_A);
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};
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// TEMPLATE CLASS pointer_to_binary_function
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template<class _A1, class _A2, class _R>
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class pointer_to_binary_function
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: public binary_function<_A1, _A2, _R>
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{
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public:
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explicit pointer_to_binary_function(
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_R (__cdecl *_X)(_A1, _A2))
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: _Fn(_X)
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{
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}
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_R operator()(_A1 _X, _A2 _Y) const
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{
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return (_Fn(_X, _Y));
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}
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protected:
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_R (__cdecl *_Fn)(_A1, _A2);
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};
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// TEMPLATE FUNCTION ptr_fun
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template<class _A, class _R> inline
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pointer_to_unary_function<_A, _R>
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ptr_fun(_R (__cdecl *_X)(_A))
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{
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return (pointer_to_unary_function<_A, _R>(_X));
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}
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template<class _A1, class _A2, class _R> inline
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pointer_to_binary_function<_A1, _A2, _R>
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ptr_fun(_R (__cdecl *_X)(_A1, _A2))
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{
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return (pointer_to_binary_function<_A1, _A2, _R>(_X));
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}
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// TEMPLATE CLASS mem_fun_t
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template<class _R, class _Ty>
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class mem_fun_t : public unary_function<_Ty *, _R>
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{
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public:
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explicit mem_fun_t(_R (_Ty::*_Pm)())
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: _Ptr(_Pm)
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{
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}
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_R operator()(_Ty *_P)
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{
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return ((_P->*_Ptr)());
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}
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private:
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_R (_Ty::*_Ptr)();
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};
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// TEMPLATE FUNCTION mem_fun
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template<class _R, class _Ty> inline
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mem_fun_t<_R, _Ty> mem_fun(_R (_Ty::*_Pm)())
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{
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return (mem_fun_t<_R, _Ty>(_Pm));
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}
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// TEMPLATE CLASS mem_fun1_t
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template<class _R, class _Ty, class _A>
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class mem_fun1_t : public binary_function<_Ty *, _A, _R>
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{
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public:
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explicit mem_fun1_t(_R (_Ty::*_Pm)(_A))
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: _Ptr(_Pm)
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{
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}
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_R operator()(_Ty *_P, _A _Arg)
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{
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return ((_P->*_Ptr)(_Arg));
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}
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private:
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_R (_Ty::*_Ptr)(_A);
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};
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// TEMPLATE FUNCTION mem_fun1
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template<class _R, class _Ty, class _A> inline
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mem_fun1_t<_R, _Ty, _A> mem_fun1(_R (_Ty::*_Pm)(_A))
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{
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return (mem_fun1_t<_R, _Ty, _A>(_Pm));
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}
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// TEMPLATE CLASS mem_fun_ref_t
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template<class _R, class _Ty>
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class mem_fun_ref_t : public unary_function<_Ty *, _R>
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{
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public:
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explicit mem_fun_ref_t(_R (_Ty::*_Pm)())
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: _Ptr(_Pm)
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{
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}
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_R operator()(_Ty& _X)
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{
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return ((_X.*_Ptr)());
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}
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private:
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_R (_Ty::*_Ptr)();
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};
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// TEMPLATE FUNCTION mem_fun_ref
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template<class _R, class _Ty> inline
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mem_fun_ref_t<_R, _Ty> mem_fun_ref(_R (_Ty::*_Pm)())
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{
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return (mem_fun_ref_t<_R, _Ty>(_Pm));
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}
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// TEMPLATE CLASS mem_fun1_ref_t
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template<class _R, class _Ty, class _A>
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class mem_fun1_ref_t : public binary_function<_Ty *, _A, _R>
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{
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public:
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explicit mem_fun1_ref_t(_R (_Ty::*_Pm)(_A))
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: _Ptr(_Pm)
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{
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}
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_R operator()(_Ty& _X, _A _Arg)
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{
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return ((_X.*_Ptr)(_Arg));
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}
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private:
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_R (_Ty::*_Ptr)(_A);
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};
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// TEMPLATE FUNCTION mem_fun1_ref
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template<class _R, class _Ty, class _A> inline
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mem_fun1_ref_t<_R, _Ty, _A> mem_fun1_ref(_R (_Ty::*_Pm)(_A))
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{
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return (mem_fun1_ref_t<_R, _Ty, _A>(_Pm));
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}
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_STD_END
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _STLFUNC_H_ */
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/*
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* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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/*
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* This file is derived from software bearing the following
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* restrictions:
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this
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* software and its documentation for any purpose is hereby
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* granted without fee, provided that the above copyright notice
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* appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation.
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* Hewlett-Packard Company makes no representations about the
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* suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*/
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