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  • Attila Lendvai's avatar
    Added first-iteration-p and first-time-p · 377f3f8d
    Attila Lendvai authored
    Typical use is (if (first-...-p) ...)
    
    first-iteration-p will be t in the first loop while first-time-p will
    be t when first called, then nil. Hint: first-time-p is useful for
    the usual comma separated list printing problem.
    
    darcs-hash:e5383742b4d9363d41af7d276cc7db69b6b83f4b
    377f3f8d