add flatten helper function

65d4ea05 · Jeremy Hylton · 4f6bcd80 · 65d4ea05 · 65d4ea05
Commit 65d4ea05 authored Feb 16, 2000 by Jeremy Hylton
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Lib/compiler/misc.py Lib/compiler/misc.py +11 -0

Tools/compiler/compiler/misc.py Tools/compiler/compiler/misc.py +11 -0

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--- a/Lib/compiler/misc.py
+++ b/Lib/compiler/misc.py
+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
+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 = {}