+:noname ( args -- symbol )
+ 2dup 1 ensure-arg-count
+ car string-type ensure-arg-type
+
+ drop pair-type
+
+ 2dup car [char] - character-type objeq? if
+ cdr
+ true -rot
+ else
+ 2dup car [char] + character-type objeq? if
+ cdr
+ then
+ false -rot
+ then
+
+ 0 -rot
+ begin
+ 2dup nil objeq? false =
+ while
+ 2dup car drop [char] 0 - -rot
+ 2swap swap 10 * + -rot
+ cdr
+ repeat
+
+ 2drop
+
+ swap if -1 * then
+
+ fixnum-type
+; make-primitive string->number
+
+:noname ( args -- string )
+ 2dup 1 ensure-arg-count
+ car symbol-type ensure-arg-type
+
+ drop pair-type
+ duplicate-charlist
+ drop string-type
+; make-primitive symbol->string
+
+:noname ( args -- symbol )
+ 2dup 1 ensure-arg-count
+ car string-type ensure-arg-type
+
+ drop pair-type
+ duplicate-charlist
+ charlist>symbol
+; make-primitive string->symbol
+