~tim/scheme-vm

ref: f23168670146fb6810d3293d5539579fe261db4d scheme-vm/lib/bool.scm -rw-r--r-- 118 bytes
f2316867 — Tim Morgan Add boolean? predicate 6 years ago 
                                                                                
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(define boolean?
  (lambda (b)
    (if (eq? b #t)
        #t
        (if (eq? b #f)
            #t
            #f))))