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docs/ustruct: Document pack_into(), unpack_from().

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Paul Sokolovsky 2016-05-01 13:17:07 +03:00
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docs/library/ustruct.rst
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@ -19,7 +19,19 @@ Functions
Pack the values ``v1``, ``v2``, ... according to the format string ``fmt``. Pack the values ``v1``, ``v2``, ... according to the format string ``fmt``.
The return value is a bytes object encoding the values. The return value is a bytes object encoding the values.
.. function:: pack_into(fmt, buffer, offset, v1, v2, ...)
Pack the values `v1`, `v2`, ... according to the format string `fmt`
into a `buffer` starting at `offset`. `offset` may be negative to count
from the end of `buffer`.
.. function:: unpack(fmt, data) .. function:: unpack(fmt, data)
Unpack from the ``data`` according to the format string ``fmt``. Unpack from the ``data`` according to the format string ``fmt``.
The return value is a tuple of the unpacked values. The return value is a tuple of the unpacked values.
.. function:: unpack_from(fmt, data, offset=0)
Unpack from the `data` starting at `offset` according to the format string
`fmt`. `offset` may be negative to count from the end of `buffer`. The return
value is a tuple of the unpacked values.