On 4/10/07, Marcin 'Qrczak' Kowalczyk <[EMAIL PROTECTED]> wrote: > 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).
If text is immutable, it may be interned. -- ~jrm _______________________________________________ r6rs-discuss mailing list [email protected] http://lists.r6rs.org/cgi-bin/mailman/listinfo/r6rs-discuss
