1 # Copyright 2013 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
6 '''Decorates |fn| to memoize.
9 def impl(*args, **optargs):
10 full_args = args + tuple(optargs.iteritems())
11 if full_args not in memory:
12 memory[full_args] = fn(*args, **optargs)
13 return memory[full_args]