give builtin functions proper names

1 files changed, 4 insertions, 8 deletions

diff --git a/neb/__init__.py b/neb/__init__.py
index 583bef8..a492df8 100644
--- a/neb/__init__.py
+++ b/neb/__init__.py
@@ -49,12 +49,8 @@ class Function:
         if name is None:
             name = self.name
         out = [f"({name}"]
-        if self.args is not None:
-            for arg in self.args:
-                out.append(f"{arg}")
-        if self.many is not None:
-            out.append(f"{self.many}")
-        return " ".join(out) + ")"
+        out.append(string_args(self.args, self.many))
+        return " ".join(out).strip() + ")"
 
     def arity_check(self, symbol, params):
         min_arity = len([a for a in self.args if not a.optional])
@@ -95,8 +91,8 @@ class Function:
 
 class Builtin(Function):
     
-    def __init__(self, callable_, args=None, many=None):
-        super().__init__("<builtin>", None, callable_, args, many)
+    def __init__(self, name, callable_, args=None, many=None):
+        super().__init__(name, None, callable_, args, many)
 
     def __str__(self):
         return f"builtin function {self.name}"