- From: r.britten at auckland.ac.nz (Randall Britten)
- Subject: [cellml-discussion] A list of proposed changes to semantics to makein CellML 1.2
- Date: Thu, 10 Jan 2008 20:09:22 +1300
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-----Original Message-----
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From: cellml-discussion-bounces at cellml.org [mailto:cellml-discussion-
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bounces at cellml.org] On Behalf Of Andrew Miller
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Sent: Thursday, 10 January 2008 4:10 p.m.
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I think that this discussion has now forked into two different aspects,
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although they are somewhat intermingled.
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1) Should we have a directionality to connections on interfaces?
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2) Should we limit the number of interfaces to two, or should we
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provide for more than two interfaces?
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On the issue of directionality with respect to the Java analogy, I
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would
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like to note that unlike CellML, Java is a procedural language, and so
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while the concept of requires and provides makes sense for Java, it
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probably makes less sense for a declarative language (I am not
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suggesting that you are not aware of that, of course, but am merely
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restating this by way of summary). Therefore, if we are going to break
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compatibility in all cases, then a simple yes or no on each interface
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will be sufficient, as opposed to an in, out, or none (unless we want
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to
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assign an arbitrary direction for some other purpose).
I think you are right. Directionality does not seem correct.
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