COMMENT ARRAY-LENGTH;
BEGIN
INTEGER PROCEDURE ARRAYLENGTH(A); TEXT ARRAY A;
ARRAYLENGTH := UPPERBOUND(A, 1) - LOWERBOUND(A, 1) + 1;
END ARRAYLENGTH;
TEXT ARRAY A(1:2);
INTEGER L;
A(1) :- "APPLE";
A(2) :- "ORANGE";
L := ARRAYLENGTH(A);
OUTINT(L, 0);
OUTIMAGE;
END