object x
#isginfo{x,0b0101,5,7,integer,3}
-- {var,type,min,max,etype,len}
-- (0b0101 is dword sequence|integer)
x = {1,2,3} -- sequence of integer, length 3
x = 5 -- integer 5 (becomes min)
x = 7 -- integer 7 (becomes max)