to_nddata()

template<typename T >
requires (ArithmeticData<T> && DataVariantElement<T>)

std::optional< CompositeProjection > MayaFlux::Kakshya::CompositeArray::to_nddata

(

std::string_view

field_name

)

const

Materialize one exact-type numeric field as homogeneous NDData.

Template Parameters

T	Declared field type and supported DataVariant element type.

Parameters

field_name

Field to project.

Returns

Values, presence mask, and dimension metadata; std::nullopt if the field is absent from the layout or its type differs from T.

Note

This copies selected values. Packed storage remains available without copying through access() and element_data().

Definition at line 244 of file CompositeAccess.hpp.

{
    const auto selection = slice(0, size());
    return selection ? selection->to_nddata<T>(field_name) : std::nullopt;
}

References size.