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Re: Ongoing work, maps and dictionaries



On Mon, Nov 10, 2003 at 12:11:09PM -0800, Bradd W. Szonye wrote:
> > The current draft has this change, with a Map type for
> > single-key->single-value collections, and a Dictionary subtype for
> > single-key->multiple-value collections.
> 
> Not too happy about the specific name choices, though. Set theory calls
> a MxN mapping a "relationship" or just "mapping." Mx1 mappings are
> usually called "partial functions" or "functions" (depending on whether
> the mapping covers the entire domain). In other words, "mapping" is the
> more general name.

Thats true in the literature but confusing as you note.  Its consistent 
though with the names used by a couple of other collection APIs.  
Dictionary at least Just Makes Sense, as real dictionaries bind words to 
one or more definitions.  

	Scott	

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