[plt-scheme] What am I looking at?

MzScheme version 299.26

I am looking at the contents of a variable and I don't understand the notation.
I see things like #7= and #2# which make no sense to me.  I do understand
vector and list notation but that's not all I'm seeing as follows:


 > x
#7=((#4=#13(object #1=#13(object #0=#13(object #2=#13(object #0# 8 7 
"meta-metac
lass" (#3=#13(object #0# 4 3 "meta-behavior" (#1#) (#2# #5=#13(object #0# 6 
5 "m
eta-class" (#3#) () () () 0 13 0 ((#4# 3 0)))) () () 0 13 0 ((#4# 3 0)))) () ()
() 0 13 0 ((#4# 3 0))) 1 0 "MetaClass" (#6=#13(object #3# 5 4 "<behavior>" 
(#4#)
  (#0# #8=#13(object #5# 7 6 "<class>" (#6#) (#1#) () () 0 13 0 ((#4# 3 
0)))) ()
() 0 13 0 #7#)) () () () 0 13 0 ((#4# 3 0))) 2 1 "meta-object" (#8#) 
(#9=#13(obj
ect #0# 10 9 "meta-generic" (#1#) () () () 0 13 0 ((#4# 3 0))) 
#10=#13(object #0
# 9 8 "meta-method" (#1#) () () () 0 13 0 ((#4# 3 0))) #3#) () () 0 13 0 
((#4# 3
  0))) 3 2 "<object>" () (#13(object #9# 12 11 "<generic>" (#4#) () () () 5 
8 0 (
(#4# 3 0))) #13(object #10# 11 10 "<method>" (#4#) () () () 5 8 0 ((#4# 3 
0))) #
6#) () () 3 3 0 ()) 3 0))


 > (pair? x)
#t


 > (length x)
1

 > (set! x (car x))

 > x
#7=(#4=#13(object #1=#13(object #0=#13(object #2=#13(object #0# 8 7 
"meta-metacl
ass" (#3=#13(object #0# 4 3 "meta-behavior" (#1#) (#2# #5=#13(object #0# 6 
5 "me
ta-class" (#3#) () () () 0 13 0 ((#4# 3 0)))) () () 0 13 0 ((#4# 3 0)))) () 
() (
) 0 13 0 ((#4# 3 0))) 1 0 "MetaClass" (#6=#13(object #3# 5 4 "<behavior>" (#4#)
(#0# #8=#13(object #5# 7 6 "<class>" (#6#) (#1#) () () 0 13 0 ((#4# 3 0)))) 
() (
) 0 13 0 (#7#))) () () () 0 13 0 ((#4# 3 0))) 2 1 "meta-object" (#8#) 
(#9=#13(ob
ject #0# 10 9 "meta-generic" (#1#) () () () 0 13 0 ((#4# 3 0))) 
#10=#13(object #
0# 9 8 "meta-method" (#1#) () () () 0 13 0 ((#4# 3 0))) #3#) () () 0 13 0 ((#4#
3 0))) 3 2 "<object>" () (#13(object #9# 12 11 "<generic>" (#4#) () () () 5 8 0
((#4# 3 0))) #13(object #10# 11 10 "<method>" (#4#) () () () 5 8 0 ((#4# 3 0)))
#6#) () () 3 3 0 ()) 3 0)

 > (pair? x)
#t

 > (length x)
3

 > (set! x (car x))

 > x
#4=#13(object #1=#13(object #0=#13(object #2=#13(object #0# 8 7 
"meta-metaclass"
  (#3=#13(object #0# 4 3 "meta-behavior" (#1#) (#2# #5=#13(object #0# 6 5 
"meta-c
lass" (#3#) () () () 0 13 0 ((#4# 3 0)))) () () 0 13 0 ((#4# 3 0)))) () () () 0
13 0 ((#4# 3 0))) 1 0 "MetaClass" (#6=#13(object #3# 5 4 "<behavior>" (#4#) 
(#0#
  #7=#13(object #5# 7 6 "<class>" (#6#) (#1#) () () 0 13 0 ((#4# 3 0)))) () 
() 0
13 0 ((#4# 3 0)))) () () () 0 13 0 ((#4# 3 0))) 2 1 "meta-object" (#7#) 
(#8=#13(
object #0# 10 9 "meta-generic" (#1#) () () () 0 13 0 ((#4# 3 0))) #9=#13(object
#0# 9 8 "meta-method" (#1#) () () () 0 13 0 ((#4# 3 0))) #3#) () () 0 13 0 
((#4#
  3 0))) 3 2 "<object>" () (#13(object #8# 12 11 "<generic>" (#4#) () () () 
5 8 0
  ((#4# 3 0))) #13(object #9# 11 10 "<method>" (#4#) () () () 5 8 0 ((#4# 3 
0)))
#6#) () () 3 3 0 ())

 > (vector? x)
#t

 > (vector-length x)
13

 > (vector-ref x 0)
object

 > (vector-ref x 1)
#1=#13(object #0=#13(object #2=#13(object #0# 8 7 "meta-metaclass" 
(#3=#13(objec
t #0# 4 3 "meta-behavior" (#1#) (#2# #5=#13(object #0# 6 5 "meta-class" 
(#3#) ()
  () () 0 13 0 ((#4=#13(object #1# 3 2 "<object>" () (#13(object 
#8=#13(object #0
# 10 9 "meta-generic" (#1#) () () () 0 13 0 ((#4# 3 0))) 12 11 "<generic>" 
(#4#)
  () () () 5 8 0 ((#4# 3 0))) #13(object #9=#13(object #0# 9 8 
"meta-method" (#1#
) () () () 0 13 0 ((#4# 3 0))) 11 10 "<method>" (#4#) () () () 5 8 0 ((#4# 
3 0))
) #6=#13(object #3# 5 4 "<behavior>" (#4#) (#0# #7=#13(object #5# 7 6 "<class>"
(#6#) (#1#) () () 0 13 0 ((#4# 3 0)))) () () 0 13 0 ((#4# 3 0)))) () () 3 3 
0 ()
) 3 0)))) () () 0 13 0 ((#4# 3 0)))) () () () 0 13 0 ((#4# 3 0))) 1 0 
"MetaClass
" (#6#) () () () 0 13 0 ((#4# 3 0))) 2 1 "meta-object" (#7#) (#8# #9# #3#) 
() ()
  0 13 0 ((#4# 3 0)))

 > (vector-ref x 2)
3

 > (vector-ref x 3)
2

 > (vector-ref x 4)
"<object>"

 > (vector-ref x 5)
()

 > (vector-ref x 6)
#3=(#13(object #6=#13(object #0=#13(object #7=#13(object #0# 8 7 
"meta-metaclass
" (#1=#13(object #0# 4 3 "meta-behavior" (#2=#13(object #0# 2 1 
"meta-object" (#
5=#13(object #8=#13(object #0# 6 5 "meta-class" (#1#) () () () 0 13 0 
((#4=#13(o
bject #2# 3 2 "<object>" () #3# () () 3 3 0 ()) 3 0))) 7 6 "<class>" 
(#9=#13(obj
ect #1# 5 4 "<behavior>" (#4#) (#0# #5#) () () 0 13 0 ((#4# 3 0)))) (#2#) () ()
0 13 0 ((#4# 3 0)))) (#6# #10=#13(object #0# 9 8 "meta-method" (#2#) () () () 0
13 0 ((#4# 3 0))) #1#) () () 0 13 0 ((#4# 3 0)))) (#7# #8#) () () 0 13 0 
((#4# 3
  0)))) () () () 0 13 0 ((#4# 3 0))) 1 0 "MetaClass" (#9#) () () () 0 13 0 
((#4#
3 0))) 10 9 "meta-generic" (#2#) () () () 0 13 0 ((#4# 3 0))) 12 11 "<generic>"
(#4#) () () () 5 8 0 ((#4# 3 0))) #13(object #10# 11 10 "<method>" (#4#) () 
() (
) 5 8 0 ((#4# 3 0))) #9#)




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Download source code to my Dynace Object Oriented
Extension to C  from:     http://algorithms.us
Blake McBride (blake at algorithms.us)
Algorithms Corporation