get_metadata()

template<ComputeData T = std::vector<Kakshya::DataVariant>>

template<typename ValueType >

std::optional< ValueType > MayaFlux::Yantra::Datum< T >::get_metadata ( const std::string &  key ) const

inline

Get metadata entry with type safety.

Template Parameters

ValueType

Expected value type

Parameters

key	Metadata key

Returns

Optional value if found and correct type

Definition at line 271 of file DataIO.hpp.

    {
        auto it = metadata.find(key);
        if (it == metadata.end()) {
            return std::nullopt;
        }
 
        return safe_any_cast<ValueType>(it->second);
    }

References MayaFlux::Yantra::Datum< T >::metadata.