Create evaluator for access operator

smnp/ast/node/unit.py

@@ -1,15 +1,14 @@
 from smnp.ast.node.atom import AtomParser
 from smnp.ast.node.operator import BinaryOperator, UnaryOperator, Operator
-from smnp.ast.node.valuable import Valuable
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType
 
 
-class Unit(Valuable):
+class MinusOperator(UnaryOperator):
     pass
 
 
-class MinusOperator(UnaryOperator):
+class Access(BinaryOperator):
     pass
 
 
@@ -31,7 +30,7 @@ def UnitParser(input):
         atom2,
         [TokenType.DOT],
         Parser.doAssert(atom2, "atom"),
-        createNode=lambda left, op, right: Unit.withValue(BinaryOperator.withValues(left, op, right)),
+        createNode=lambda left, op, right: Access.withValues(left, op, right),
         name="unit"
     )(input)