def __add__(self, other: ArrayVar[ARRAY_VAR_TYPE]) -> ArrayVar[ARRAY_VAR_TYPE]:
        """Concatenate two arrays.

        Parameters:
            other: The other array to concatenate.

        Returns:
            ArrayConcatOperation: The concatenation of the two arrays.
        """
        if not isinstance(other, ArrayVar):
            raise_unsupported_operand_types("+", (type(self), type(other)))

        return array_concat_operation(self, other)
Concatenate two arrays.

        Parameters:
            other: The other array to concatenate.

        Returns:
            ArrayConcatOperation: The concatenation of the two arrays.
        
reflex/vars/sequence.py