Dnia 09-04-2007, pon o godzinie 19:12 -0400, William D Clinger
napisał(a):
> (text-position=? position1 position2)
>
> True iff both positions identify the same positions within
> the same text. Should run in O(1) time.
If text is immutable, then the concept of “same text” is unclear:
• If it means eqv?, then achieving O(1) is impractical.
• If it means eq?, then it distinguishes cases for which there is
no practical reason to distinguish them (when distinct text objects
contain equivalent text).
--
__("< Marcin Kowalczyk
\__/ [EMAIL PROTECTED]
^^ http://qrnik.knm.org.pl/~qrczak/
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