simon/Monkey: Writing An Interpreter In Go @ c08784cd0c7db24e89a89fa116b5044ea4c5143b

simon c08784cd0c prefix expression object evaluator		%!s(int64=3) %!d(string=hai) anos
..
evaluator.go	c08784cd0c prefix expression object evaluator	%!s(int64=3) %!d(string=hai) anos
evaluator_test.go	c08784cd0c prefix expression object evaluator	%!s(int64=3) %!d(string=hai) anos