Why is this disallowed in C#? alt text http://img706.imageshack.us/img706/7360/restriction.png Actually I\'d like to be able to write
I\'m writing a predicate to find all possible successor states for an iteration of A* and put them in a list like [(cost, state), ...] , which stands at this at the moment:
What are the (practical) applications 开发者_JAVA技巧of Unification? Where it is actually being used in real world?
Why does this work: power(_,0,1) :- !. power(X,Y,Z) :- Y1 is Y - 1, power(X,Y1,Z1), Z is X * Z1. And this gives a stack overflow exception?
Do these开发者_开发问答 terms unify? Why? likes(jax, X). and likes(X, jin). food(X, Y, Z). and food(M, M, M).
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