initializer_list

C语言库函数的原型,有用的拿去

// initializer_list standard header
#pragma once
#ifndef _INITIALIZER_LIST_
#define _INITIALIZER_LIST_
#ifndef RC_INVOKED
#include <cstddef>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)

_X_STD_BEGIN
		// TEMPLATE CLASS initializer_list
template<class _Elem>
	class initializer_list
	{	// list of pointers to elements
public:
	typedef _Elem value_type;
	typedef const _Elem& reference;
	typedef const _Elem& const_reference;
	typedef size_t size_type;

	typedef const _Elem* iterator;
	typedef const _Elem* const_iterator;

	initializer_list()
		: _First(0), _Last(0)
		{	// empty list
		}

	initializer_list(const _Elem *_First_arg, const _Elem *_Last_arg)
		: _First(_First_arg), _Last(_Last_arg)
		{	// construct with pointers
		}

	const _Elem *begin() const
		{	// get beginning of list
		return (_First);
		}

	const _Elem *end() const
		{	// get end of list
		return (_Last);
		}

	size_t size() const
		{	// get length of list
		return ((size_t)(_Last - _First));
		}

private:
	const _Elem *_First;
	const _Elem *_Last;
	};

		// TEMPLATE FUNCTION begin
template<class _Elem> inline
	const _Elem *begin(initializer_list<_Elem> _Ilist)
	{	// get beginning of sequence
	return (_Ilist.begin());
	}

		// TEMPLATE FUNCTION end
template<class _Elem> inline
	const _Elem *end(initializer_list<_Elem> _Ilist)
	{	// get end of sequence
	return (_Ilist.end());
	}
_X_STD_END

 #pragma warning(pop)
 #pragma pack(pop)

#endif /* RC_INVOKED */
#endif /* _INITIALIZER_LIST_ */

/*
 * Copyright (c) 1992-2009 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V5.20:0009 */