create_universal_sort_key()

template<typename T >

SortKey MayaFlux::Yantra::create_universal_sort_key	(	const std::string &	name,
		SortingDirection	direction = SortingDirection::ASCENDING
	)

Create universal sort key extractor for common data types.

Template Parameters

T	Data type to extract sort key from

Parameters

name	Sort key name
direction	Sort direction (for the key metadata)

Returns

SortKey with appropriate extractor

Definition at line 204 of file SortingHelper.hpp.

{
    SortKey key(name, [](const std::any& data) -> double {
        auto cast_result = safe_any_cast<T>(data);
        if (!cast_result) {
            return 0.0;
        }
 
        const T& value = *cast_result.value;
 
        if constexpr (ArithmeticData<T>) {
            return static_cast<double>(value);
        } else if constexpr (ComplexData<T>) {
            return std::abs(value);
        } else if constexpr (requires { get_temporal_position(value); }) {
            return get_temporal_position(value);
        } else {
            return 0.0;
        }
    });
 
    key.direction = direction;
    return key;
}

References MayaFlux::Yantra::SortKey::direction, and get_temporal_position().

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