Function concat_elements_utf8_many 

pub fn concat_elements_utf8_many<Offset: OffsetSizeTrait>(
    arrays: &[&GenericStringArray<Offset>],
) -> Result<GenericStringArray<Offset>, ArrowError>

Returns the elementwise concatenation of [StringArray].

e.g:
  ["a", "b"] + [None, "c"] + [None, "d"] = [None, "bcd"]

An error will be returned if the [StringArray] are of different lengths

Errors

Returns an error if the arrays have different lengths, or if the concatenated data is too long for the offset type.