remove 'data' field from list, add Expr class

1 files changed, 8 insertions, 2 deletions

diff --git a/neb/structs.py b/neb/structs.py
index 947f3f6..c8e7e8b 100644
--- a/neb/structs.py
+++ b/neb/structs.py
@@ -99,10 +99,16 @@ class Symbol:
     def __str__(self):
         return f"{self.name}"
 
+class Expr:
+    def __init__(self, args):
+        self.args = args
+        self.type_ = TypeEnum.ANY  # TODO no it's not
+    def __str__(self):
+        return "(" +  " ".join(f"{arg}" for arg in self.args) + ")"
+
 class List:
-    def __init__(self, args, data=False):
+    def __init__(self, args):
         self.args = args
-        self.data = data
         self.type_ = TypeEnum.LIST
     def __str__(self):
         return "(" +  " ".join(f"{arg}" for arg in self.args) + ")"