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Fixed README example (#668)

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Valentin Valls 2026-04-26 18:39:18 +02:00 • committed by GitHub
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README.md
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@ -119,15 +119,15 @@ It is also possible to pack/unpack custom data types using the **ext** type.
>>> import array
>>> def default(obj):
... if isinstance(obj, array.array) and obj.typecode == 'd':
... return msgpack.ExtType(42, obj.tostring())
... return msgpack.ExtType(42, obj.tobytes())
... raise TypeError("Unknown type: %r" % (obj,))
...
>>> def ext_hook(code, data):
... if code == 42:
... a = array.array('d')
... a.fromstring(data)
... a.frombytes(data)
... return a
... return ExtType(code, data)
... return msgpack.ExtType(code, data)
...
>>> data = array.array('d', [1.2, 3.4])
>>> packed = msgpack.packb(data, default=default)