Predicate for a string representing an integer

[Urs Liska]

Hi all,

I've found this function in my code:

% Returns true if obj is a string representation of an integer
#(define (integer-string? obj)
   (integer? (string->number obj)))

and I have the impression there should be a better way with more
built-in functionality to do it.

Any suggestions, or should I simply leave it at that?

Urs


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