Improve Predicate creation interface #8
Merged
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Previously Predicates had to be created from tuples:
Predicates(("key", "==", "val))
But, as you can see above the single-predicate case is weird because of the extra paranthesis. This change allows for:
Predicates("key", "==", "val)
That is, for the single-predicate case it accepts 3 arguments instead of a tuple.