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chunalt787 28 Junior Poster in Training

I am a complete newbie on Prolog and I had a quick question. I want to write a function that takes no arguments and just does some asserts and retracts. Is this valid?

turnLeftFunc:-
	select(currentDirection(dir))->select(leftof(dir,turnDir))->
	   retract(currentDirection(dir)),
	   assert(currentDirection(turnDir)).

This is for a wumpus world implimentation.

I want to be able to just say:

some code....
turnLeftFunc,
some more code...

This will hopefully essentially execute the code similar to an inline function in C++.

Thanks

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