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From: Fraser Wilson <newsfraser@blancolioni.org>
Newsgroups: comp.lang.ada
Subject: Re: Composing sequences (interesting to solve)
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Date: 17 Jan 2003 09:27:49 +0100
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Date: 2003-01-17T09:27:54+01:00
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porton@ex-code.com (Victor Porton) writes:

> In article <b06t4c$m4h27$3@id-77047.news.dfncis.de>,> You haven't given me a solution. (I suspect that it is even impossible 
> in Ada9X.)

Presented with

   S & T

where S is a sequence, and T is something else, how can you know
whether the desired result is a new sequence of S and T, or the
sequence S with T tacked onto the end (i.e. an intermediate result
from "P & Q & T")?  Unless you add an extra rule which says that all
sequences get merged (i.e. always choose the second option in this
case), I don't think this is possible.

It's not an Ada thing as such; more of an ambiguity in the problem
definition.

Fraser.