add flatten helper function

2000-02-16 00:49:47 +00:00 · 2000-02-16 00:49:47 +00:00 · 65d4ea05d2
parent 4f6bcd80fc
commit 65d4ea05d2
2 changed files with 22 additions and 0 deletions
--- a/Lib/compiler/misc.py
+++ b/Lib/compiler/misc.py
@ -1,3 +1,14 @@
+import types
+
+def flatten(tup):
+    elts = []
+    for elt in tup:
+        if type(elt) == types.TupleType:
+            elts = elts + flatten(elt)
+        else:
+            elts.append(elt)
+    return elts
+
 class Set:
    def __init__(self):
 	self.elts = {}
--- a/Tools/compiler/compiler/misc.py
+++ b/Tools/compiler/compiler/misc.py
@ -1,3 +1,14 @@
+import types
+
+def flatten(tup):
+    elts = []
+    for elt in tup:
+        if type(elt) == types.TupleType:
+            elts = elts + flatten(elt)
+        else:
+            elts.append(elt)
+    return elts
+
 class Set:
    def __init__(self):
 	self.elts = {}