You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
34 lines
750 B
34 lines
750 B
// Boost nil_generator.hpp header file ----------------------------------------------// |
|
|
|
// Copyright 2010 Andy Tompkins. |
|
// Distributed under the Boost Software License, Version 1.0. (See |
|
// accompanying file LICENSE_1_0.txt or copy at |
|
// http://www.boost.org/LICENSE_1_0.txt) |
|
|
|
#ifndef BOOST_UUID_NIL_GENERATOR_HPP |
|
#define BOOST_UUID_NIL_GENERATOR_HPP |
|
|
|
#include <boost/uuid/uuid.hpp> |
|
|
|
namespace boost { |
|
namespace uuids { |
|
|
|
// generate a nil uuid |
|
struct nil_generator { |
|
typedef uuid result_type; |
|
|
|
uuid operator()() const { |
|
// initialize to all zeros |
|
uuid u = {{0}}; |
|
return u; |
|
} |
|
}; |
|
|
|
inline uuid nil_uuid() { |
|
return nil_generator()(); |
|
} |
|
|
|
}} // namespace boost::uuids |
|
|
|
#endif // BOOST_UUID_NIL_GENERATOR_HPP |
|
|
|
|