In article <[EMAIL PROTECTED]>,
greg <[EMAIL PROTECTED]> writes:
|>
|> > Nope. Sorry. Consider the old model where an I/O list is an ordered
|> > sequence of strings and agents (effectively procedure calls), with no
|> > constraints on how those are ordered. With your specification, that
|> > is neither heterogenous nor homogenous :-)
|>
|> I don't see any difficulty. This is a list (homogeneous) of
|> two-element tuples (heterogeneous).
Not at all. I didn't say that they came in pairs. Consider:
[str1, str2, agent1, str3, agent2, agent3, agent4, str4, ...]
See Algol 68 for an example of this.
Regards,
Nick Maclaren.
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