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From: ncohen@watson.ibm.com (Norman H. Cohen)
Newsgroups: comp.lang.ada
Subject: Re: Overloading for T and T'Class
Date: 15 Nov 1994 14:15:27 GMT
Organization: IBM T.J. Watson Research Center
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References: <Cz4H8G.MA@swlvx2.msd.ray.com> <3a6goo$j7s@starbase.neosoft.com>
 <CzAF7q.29E@inmet.camb.inmet.com>
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Date: 1994-11-15T14:15:27+00:00
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In article <CzAF7q.29E@inmet.camb.inmet.com>, stt@dsd.camb.inmet.com
(Tucker Taft) writes: 

|> The above is legal, though a call would generally be ambiguous.
|> Actually, the class-wide operation can be called, provided the actual
|> parameter is of some descendant of T other than T or T'Class itself.
|> Furthermore, the primitive operation once inherited by some
|> descendant (say T2) would be callable, presuming T2 is declared
|> in some other package.

Also, if the formal parameters of the two subprograms were given
different names, a named parameter association could be used to
disambiguate calls with parameters of type T or T'Class.

(This is just a language-lawyerly observation, not recommended practice.
Kids, don't try this at home.)

--
Norman H. Cohen    ncohen@watson.ibm.com