Hi,
I'm slowly working through tutorials on FD's and constraint based
programming, working up to a final year degree project next year and
there is something I'm not sure I understand fully.
I was trying to find details about user defined propagators. I know that
you can write your own in C++ but why can't you create one using
standard Oz? or can you?
For example, say you have a function {Between X} that returns true if X
is between 7 and 10.
Why can't this be used as a constraint? or if you can, how?
If some patient person could explain this a little I would be most
grateful (or even just point me to some reference I haven't found yet).
Regards
Mark Richardson
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