integer-positive-or-zero
-- r7rs
Type real-positive-or-zero-not-inf
;number-positive-or-zero-not-inf
;number-positive-or-zero
;number-not-nan
;number
;number-not-inf
;real-positive-or-zero
;real-not-nan
;complex-not-nan
;complex
;real
;real-not-inf
;complex-not-inf
;rational
;real-not-inf-not-nan
;complex-not-inf-not-nan
;number-not-inf-not-nan
;exact-integer-zero
;exact-integer-positive
;code-point-unicode
;code-point-ascii
;range-value
;range-offset
;range-start
;range-end
;range-length
;range-length-zero
;range-length-not-zero
;byte
;byte-ascii
;(lambda (value) (and (integer? value) (or (positive? value) (zero? value))))