(define-public (string-or-symbol? x)
(or (string? x) (symbol? x)))
(define-public (number-or-string? x)
(or (number? x) (string? x)))
(define-public (string-or-symbol? x)
(or (string? x) (symbol? x)))
(define-public (number-or-string? x)
(or (number? x) (string? x)))