bugfix: make recursion work (though introduce a new issue too)

1 files changed, 2 insertions, 1 deletions

diff --git a/interpreter.py b/interpreter.py
index d5b2b4c..6ad7d84 100644
--- a/interpreter.py
+++ b/interpreter.py
@@ -37,7 +37,8 @@ class UserFunction(Function):
     def call(self, expr, env):
         this_env = Environment(env)
         for idx, param in enumerate(self.params):
-            this_env.register(param.name, expr.args[idx])
+            # TODO this is wrong!!! this won't always be a literal
+            this_env.register(param.name, Expr.Literal(evaluate(expr.args[idx],env)))
         return interpret(self.body, this_env)
 
 class Environment: