1b11773cd6
* by default no metadata is allowed and the library behaves as it already did * if a user explicitly adds metadata (last template parameter) each node has a data member of this type and access functions for this member * add test for this feature
31 lines
446 B
C++
31 lines
446 B
C++
#pragma once
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namespace nlohmann
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{
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namespace detail
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{
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template<class MetaDataType>
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class json_metadata
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{
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public:
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using metadata_t = MetaDataType;
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metadata_t& metadata()
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{
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return m_metadata;
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}
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const metadata_t& metadata() const
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{
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return m_metadata;
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}
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private:
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metadata_t m_metadata;
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};
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template<>
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class json_metadata<void>
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{
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//no metadata
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};
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} // namespace detail
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} // namespace nlohmann
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