From 5716911ede71261177073ca57fd139641149ace0 Mon Sep 17 00:00:00 2001
From: mryouse
Date: Thu, 7 Jul 2022 02:16:54 +0000
Subject: refactor: add a higher level of Callable

---
 neb/__init__.py | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'neb/__init__.py')

diff --git a/neb/__init__.py b/neb/__init__.py
index dd7245a..76d5775 100644
--- a/neb/__init__.py
+++ b/neb/__init__.py
@@ -38,7 +38,8 @@ def evaluate(expr, env, ns=None):
     else:
         raise InterpretPanic(expr.args[0], "unable to evaluate")
 
-class Function:
+
+class Callable:
 
     def __init__(self, name, params, body, args=None, many=None):
         self.name = name
@@ -56,6 +57,18 @@ class Function:
         out.append(string_args(self.args, self.many))
         return " ".join(out).strip() + f") => {self.return_type}"
 
+    def evaluate_args(self, symbol, params, env, ns):
+        pass
+
+    def call(self, expr, env):
+        pass
+
+
+class Function(Callable):
+
+    def __init__(self, name, params, body, args=None, many=None):
+        super().__init__(name, params, body, args, many)
+
     def arity_check(self, symbol, params):
         min_arity = len([a for a in self.args if not a.optional])
         max_arity = -1 if self.many is not None else len(self.args)
@@ -92,8 +105,6 @@ class Function:
             ret.append(ev)
         return ret
 
-    def call(self, expr, env):
-        pass
 
 class Builtin(Function):
     
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