Sha256: e684a5c65d3be3bd5a2ddcd8c88114b4250d2cb8918baa332df66fcc9dff1964
Contents?: true
Size: 1.27 KB
Versions: 35
Compression:
Stored size: 1.27 KB
Contents
/* boost random/detail/iterator_mixin.hpp header file
*
* Copyright Jens Maurer 2000-2001
* 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)
*
* See http://www.boost.org for most recent version including documentation.
*
* Revision history
*/
#ifndef BOOST_ITERATOR_MIXIN_HPP
#define BOOST_ITERATOR_MIXIN_HPP
#include <boost/operators.hpp>
namespace boost {
// must be in boost namespace, otherwise the inline friend trick fails
template<class Generator, class ResultType>
class generator_iterator_mixin_adapter
: incrementable<Generator>, equality_comparable<Generator>
{
public:
typedef std::input_iterator_tag iterator_category;
typedef ResultType value_type;
typedef std::ptrdiff_t difference_type;
typedef const value_type * pointer;
typedef const value_type & reference;
Generator& operator++() { v = cast()(); return cast(); }
const value_type& operator*() const { return v; }
protected:
// instantiate from derived classes only
generator_iterator_mixin_adapter() { }
void iterator_init() { operator++(); }
private:
Generator & cast() { return static_cast<Generator&>(*this); }
value_type v;
};
} // namespace boost
#endif // BOOST_ITERATOR_MIXIN_HPP
Version data entries
35 entries across 35 versions & 2 rubygems