arrow_cast::cast

Function cast_from_decimal

Source 
fn cast_from_decimal<D, F>(
    array: &dyn Array,
    base: D::Native,
    scale: &i8,
    from_type: &DataType,
    to_type: &DataType,
    as_float: F,
    cast_options: &CastOptions<'_>,
) -> Result<ArrayRef, ArrowError>
where
    D: DecimalType + ArrowPrimitiveType,
    <D as ArrowPrimitiveType>::Native: ArrowNativeTypeOp + ToPrimitive,
    F: Fn(D::Native) -> f64,