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65 lines
1.7 KiB
65 lines
1.7 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#pragma once |
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#include <thrust/detail/config.h> |
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#include <thrust/iterator/counting_iterator.h> |
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#include <thrust/iterator/iterator_adaptor.h> |
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#include <thrust/iterator/detail/any_assign.h> |
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#include <cstddef> // for std::ptrdiff_t |
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namespace thrust |
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{ |
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// forward declaration of discard_iterator |
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template<typename> class discard_iterator; |
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namespace detail |
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{ |
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template<typename System> |
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struct discard_iterator_base |
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{ |
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// XXX value_type should actually be void |
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// but this interferes with zip_iterator<discard_iterator> |
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typedef any_assign value_type; |
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typedef any_assign& reference; |
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typedef std::ptrdiff_t incrementable; |
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typedef typename thrust::counting_iterator< |
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incrementable, |
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System, |
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thrust::random_access_traversal_tag |
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> base_iterator; |
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typedef typename thrust::iterator_adaptor< |
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discard_iterator<System>, |
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base_iterator, |
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value_type, |
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typename thrust::iterator_system<base_iterator>::type, |
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typename thrust::iterator_traversal<base_iterator>::type, |
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reference |
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> type; |
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}; // end discard_iterator_base |
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} // end detail |
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} // end thrust |
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