my-tuple-chk   scheme


Defined in:  https://github.com/digego/extempore/tree/v0.8.9/tests/core/constraints.xtm

Implementation

(define my-tuple-chk
  (lambda (x)
    (if (t:notype? x) #t
        (and (t:tuple? x) (t:elts? x 3)))))


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