exact-integer-not-zero -- r7rs Type rational-not-zero;real-not-zero;complex-not-zero;number-not-zero;number;complex;real;rational;real-not-inf-not-nan;complex-not-inf-not-nan;number-not-inf-not-nan;number-not-inf;number-not-nan;complex-not-inf;complex-not-nan;real-not-inf;real-not-nan;integer;exact-rational;exact-real;exact-complex;exact-number;(lambda (value) (and (exact-integer? value) (not (zero? value))))