Implemented array storage

src/build/ast/Parse.go

@@ -86,9 +86,7 @@ func toASTNode(tokens token.List) (Node, error) {
 			return nil, errors.New(errors.MissingOperand, nil, expr.Token.End())
 		}
 
-		name := expr.Children[0].Token
-		value := expr.Children[1]
-		return &Assign{Name: name, Value: value, Operator: expr.Token}, nil
+		return &Assign{Expression: expr}, nil
 
 	case IsFunctionCall(expr):
 		return &Call{Expression: expr}, nil