set t ( class | x | { defun ::* make() { set x 1234; return self; }; defun get-x() { return x }; } ); set X t; if (nqv? t X) { printf "ERROR: t must point to X\n" } else { printf "OK: t points to X\n" }; set t ((t:make):get-x); if (nqv? t 1234) { printf "ERROR: t must be 1234\n" } else { printf "OK: t is %d\n" t }; set j #{ ((X:make):get-x): 9999, 4512: ((X: make): get-x) }; set v (dic.get j 1234); if (nqv? v 9999) { printf "ERROR: v is not 9999\n" } else { printf "OK: value is %d\n" v }; set v (dic.get j 4512); if (nqv? v 1234) { printf "ERROR: v is not 1234\n" } else { printf "OK: value is %d\n" v };