& XSLT > >>>> "Dimitre" == Dimitre Novatchev <dnovatchev@[...].com> writes:

    Dimitre>  Subject: Re: Function memoization To:
    Dimitre>  exslt@[...].com

    > > If the function is called again with the same values for the
    > > arguments, it MUST return the remembered result.  It MUST NOT
    > > re-execute the function body, as this can cause different
    > > results in some cases.

    Dimitre>  We must define well what "the same values for the
    Dimitre>  arguments" means.

    Dimitre>  It is impractical to remember and compare long sequences
    Dimitre>  -- this may require excessive amounts of memory and may
    Dimitre>  lead to slower execution than without any memoisation.


    Dimitre>  I have discussed this problem with Michael Kay before. A
    Dimitre>  compromise we agreed upon was not to memorize every
    Dimitre>  sequence-argument but just the ID of
    Dimitre>  the sequence.

What do you mean by the ID?


-- 
Colin Adams
Preston Lancashire
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