checks if the given direction is to be find in the arrowlist . concode_field_sep List<Integer> arrowList concode_field_sep void addArrow concode_elem_sep void removeArrow
int function ( int arg0 ) { for ( int loc0 = 0 ; loc0 < arrowList . size ( ) ; loc0 ++ ) if ( arrowList . get ( loc0 ) == arg0 ) return loc0 ; return - 1 ; }