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as_num

parquet_variant_compute::type_conversion

Function as_num 

Source 
fn as_num<T>(variant: &Variant<'_, '_>) -> Option<T>
where
    T: DecimalCastTarget,
Expand description

Converts a boolean or numeric variant(integers, floating-point, and decimals) to the specified numeric type T.

Uses Arrow’s casting logic to perform the conversion. Returns Some(T) if the conversion succeeds, None if the variant can’t be casted to type T.