From 95b8614353eee05f350c794a0aa37cab39794eed Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Thu, 10 Feb 2000 20:54:27 +0000
Subject: [PATCH] add an __len__ to Set and Stack

---
 Lib/compiler/misc.py            | 4 ++++
 Tools/compiler/compiler/misc.py | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/Lib/compiler/misc.py b/Lib/compiler/misc.py
index 0dc64226034..a281c103de5 100644
--- a/Lib/compiler/misc.py
+++ b/Lib/compiler/misc.py
@@ -1,6 +1,8 @@
 class Set:
     def __init__(self):
 	self.elts = {}
+    def __len__(self):
+        return len(self.elts)
     def add(self, elt):
 	self.elts[elt] = elt
     def items(self):
@@ -14,6 +16,8 @@ class Stack:
     def __init__(self):
 	self.stack = []
 	self.pop = self.stack.pop
+    def __len__(self):
+        return len(self.stack)
     def push(self, elt):
 	self.stack.append(elt)
     def top(self):
diff --git a/Tools/compiler/compiler/misc.py b/Tools/compiler/compiler/misc.py
index 0dc64226034..a281c103de5 100644
--- a/Tools/compiler/compiler/misc.py
+++ b/Tools/compiler/compiler/misc.py
@@ -1,6 +1,8 @@
 class Set:
     def __init__(self):
 	self.elts = {}
+    def __len__(self):
+        return len(self.elts)
     def add(self, elt):
 	self.elts[elt] = elt
     def items(self):
@@ -14,6 +16,8 @@ class Stack:
     def __init__(self):
 	self.stack = []
 	self.pop = self.stack.pop
+    def __len__(self):
+        return len(self.stack)
     def push(self, elt):
 	self.stack.append(elt)
     def top(self):