Comments (2)
linas
commented on July 3, 2024
Thanks! In this location, FloatValueOf should be used since values might also be strings, lists or other atoms. The strict type-checking was added after this example was written. The type checking error message should be improved, I guess...
I'm trying to fix all this now.
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linas
commented on July 3, 2024
The first half of the fix is in afce40e and this just changes the example to use FloatValueOf
The second half of the fix is in ded13fb and this requires the AtomSpace to be recompiled and reinstalled. This one declares that StreamValueOf (lower down in the example) can return numbers, thus keeping the arithmetic links happy about the types they are getting.
Static typing seems like a great idea, but it sure does cause pain. On the other hand runtime typechecking is hard to debug, when the types are wrong. Pick your poison...
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