has()

bool MayaFlux::Kakshya::Composite::has ( std::string_view  field_name ) const

noexcept

Whether a named field exists and is present in this element.

Parameters

field_name

Field to inspect.

Definition at line 315 of file Composite.cpp.

{
    const auto field_index = m_layout->find_field(field_name);
    if (!field_index)
        return false;
 
    const auto& rows = std::get<std::vector<uint8_t>>(*m_rows);
    const size_t byte_index = m_index * m_layout->stride_bytes() + *field_index / 8;
 
    return (rows[byte_index] & static_cast<uint8_t>(1U << (*field_index % 8))) != 0;
}

References rows.

Referenced by MayaFlux::IO::DelimitedTextWriter::write_element().

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