1 ( = Type predicates = )
3 :noname ( args -- boolobj )
4 2dup 1 ensure-arg-count
6 car nil objeq? boolean-type
9 :noname ( args -- boolobj )
10 2dup 1 ensure-arg-count
12 car boolean-type istype? -rot 2drop boolean-type
13 ; make-primitive boolean?
15 :noname ( args -- boolobj )
16 2dup 1 ensure-arg-count
18 car symbol-type istype? -rot 2drop boolean-type
19 ; make-primitive symbol?
21 :noname ( args -- boolobj )
22 2dup 1 ensure-arg-count
24 car fixnum-type istype? -rot 2drop boolean-type
25 ; make-primitive integer?
27 :noname ( args -- boolobj )
28 2dup 1 ensure-arg-count
30 car character-type istype? -rot 2drop boolean-type
31 ; make-primitive char?
33 :noname ( args -- boolobj )
34 2dup 1 ensure-arg-count
36 car string-type istype? -rot 2drop boolean-type
37 ; make-primitive string?
39 :noname ( args -- boolobj )
40 2dup 1 ensure-arg-count
42 car pair-type istype? -rot 2drop boolean-type
43 ; make-primitive pair?
45 :noname ( args -- boolobj )
46 2dup 1 ensure-arg-count
48 car primitive-type istype? -rot 2drop boolean-type
49 ; make-primitive procedure?
53 : add-prim ( args -- fixnum )
63 ' add-prim make-primitive +
65 :noname ( args -- fixnum )
71 -rot cdr add-prim drop
76 :noname ( args -- fixnum )