30 lines
505 B
C++
30 lines
505 B
C++
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#pragma once
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#include "storage/vertex_accessor.hpp"
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#include "utils/iterator/iterator.hpp"
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#include "utils/option.hpp"
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namespace query_help
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{
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template <class A>
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bool fill(A &a)
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{
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return a.fill();
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}
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};
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// Base iterator for next() kind iterator.
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// Vertex::Accessor - type of return value
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template <>
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class IteratorBase<Vertex::Accessor>
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{
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public:
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virtual Option<Vertex::Accessor> next() = 0;
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auto fill()
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{
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return iter::make_filter(std::move(*this), query_help::fill);
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}
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};
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