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exactlyone.h @ 176

Last change on this file since 176 was 176, checked in by (none), 14 years ago
imported repo from "guagal"
File size: 397 bytes

Rev	Line
[176]	1	#ifndef _EXACTLYONE_H_
	2	#define _EXACTLYONE_H_
	3
	4	/**
	5	* @class ExactlyOne
	6	* @brief Creates a singleton of type CLASS, accessed through ().
	7	* @author Emery Berger <http://www.cs.umass.edu/~emery>
	8	*/
	9
	10	namespace Hoard {
	11
	12	template <class CLASS>
	13	class ExactlyOne {
	14	public:
	15
	16	inline CLASS& operator() (void) {
	17	static CLASS theOneTrueInstance;
	18	return theOneTrueInstance;
	19	}
	20
	21	};
	22
	23	};
	24
	25	#endif
	26

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