nl: hash code . concode_field_sep ExpVector e1 concode_elem_sep ExpVector e2 concode_field_sep ExpVector getFirst concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep ExpVector getSecond concode_elem_sep String toString concode_elem_sep boolean isMultiple
code: int function ( ) { return ( e1 . hashCode ( ) << 16 ) + e2 . hashCode ( ) ; }