Add README.md

smnp/runtime/evaluators/function.py

@@ -51,7 +51,7 @@ class ReturnEvaluator(Evaluator):
             # Disclaimer
             # Exception system usage to control program execution flow is really bad idea.
             # However because of lack of 'goto' instruction equivalent in Python
-            # there is to need to use some mechanism to break function execution on 'return' statement
+            # there is a need to use some mechanism to break function execution on 'return' statement
             # and immediately go to Environment's method 'invokeFunction()' or 'invokeMethod()',
             # which can handle value that came with exception and return it to code being executed.
         else:

smnp/runtime/evaluators/power.py

@@ -18,4 +18,4 @@ class PowerEvaluator(Evaluator):
         if not right.type in supportedTypes:
             raise RuntimeException(f"Operator '{node.operator.value}' is supported only by {[t.name.lower() for t in supportedTypes]} type", node.right.pos)
 
-        return Type.integer(int(left.value ** right.value))
+        return Type.float(float(left.value ** right.value))