diff options
| author | R David Murray <rdmurray@bitdance.com> | 2012-04-13 21:27:19 -0400 |
|---|---|---|
| committer | R David Murray <rdmurray@bitdance.com> | 2012-04-13 21:27:19 -0400 |
| commit | ea7bc055b08fb442986e0735b1b5b325b0b51ecc (patch) | |
| tree | 20c2b837c787daf7e95ece075e6544627b17625a /Doc/library/struct.rst | |
| parent | c32365d2ce552d1d17279e30a564509235ffb1db (diff) | |
| parent | c2c9c905706160bf34aea12f2348210aac3e0da2 (diff) | |
| download | cpython-ea7bc055b08fb442986e0735b1b5b325b0b51ecc.tar.gz | |
Merge #14399: corrected news item
Diffstat (limited to 'Doc/library/struct.rst')
| -rw-r--r-- | Doc/library/struct.rst | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/Doc/library/struct.rst b/Doc/library/struct.rst index 12820e0282..994506c2fe 100644 --- a/Doc/library/struct.rst +++ b/Doc/library/struct.rst @@ -187,17 +187,24 @@ platform-dependent. | ``Q`` | :c:type:`unsigned long | integer | 8 | \(2), \(3) | | | long` | | | | +--------+--------------------------+--------------------+----------------+------------+ -| ``f`` | :c:type:`float` | float | 4 | \(4) | +| ``n`` | :c:type:`ssize_t` | integer | | \(4) | +--------+--------------------------+--------------------+----------------+------------+ -| ``d`` | :c:type:`double` | float | 8 | \(4) | +| ``N`` | :c:type:`size_t` | integer | | \(4) | ++--------+--------------------------+--------------------+----------------+------------+ +| ``f`` | :c:type:`float` | float | 4 | \(5) | ++--------+--------------------------+--------------------+----------------+------------+ +| ``d`` | :c:type:`double` | float | 8 | \(5) | +--------+--------------------------+--------------------+----------------+------------+ | ``s`` | :c:type:`char[]` | bytes | | | +--------+--------------------------+--------------------+----------------+------------+ | ``p`` | :c:type:`char[]` | bytes | | | +--------+--------------------------+--------------------+----------------+------------+ -| ``P`` | :c:type:`void \*` | integer | | \(5) | +| ``P`` | :c:type:`void \*` | integer | | \(6) | +--------+--------------------------+--------------------+----------------+------------+ +.. versionchanged:: 3.3 + Added support for the ``'n'`` and ``'N'`` formats. + Notes: (1) @@ -219,11 +226,17 @@ Notes: Use of the :meth:`__index__` method for non-integers is new in 3.2. (4) + The ``'n'`` and ``'N'`` conversion codes are only available for the native + size (selected as the default or with the ``'@'`` byte order character). + For the standard size, you can use whichever of the other integer formats + fits your application. + +(5) For the ``'f'`` and ``'d'`` conversion codes, the packed representation uses the IEEE 754 binary32 (for ``'f'``) or binary64 (for ``'d'``) format, regardless of the floating-point format used by the platform. -(5) +(6) The ``'P'`` format character is only available for the native byte ordering (selected as the default or with the ``'@'`` byte order character). The byte order character ``'='`` chooses to use little- or big-endian ordering based |