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| author | Fred Drake <fdrake@acm.org> | 2002-09-24 13:57:21 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2002-09-24 13:57:21 (GMT) |
| commit | 7b788e0582e3b9b92634b6955fb4fa39f0b1428f (patch) | |
| tree | 67e14e3165441aa4b98f1169fc4b7d23cdf45b81 /Doc | |
| parent | 24e53b6d919ccb1c35286701fd39e8eb10a50282 (diff) | |
| download | cpython-7b788e0582e3b9b92634b6955fb4fa39f0b1428f.zip cpython-7b788e0582e3b9b92634b6955fb4fa39f0b1428f.tar.gz cpython-7b788e0582e3b9b92634b6955fb4fa39f0b1428f.tar.bz2 | |
Clarify that len() of a Unicode string returns the number of storage units,
not abstract characters.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/lib/libfuncs.tex | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex index 4a0efdb..491e0fe 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -568,6 +568,10 @@ def my_import(name): \begin{funcdesc}{len}{s} Return the length (the number of items) of an object. The argument may be a sequence (string, tuple or list) or a mapping (dictionary). + In the case of Unicode strings, \function{len()} returns the number + of storage units, not abstract characters. In particular, when a + surrogate pair is encountered, each component of the pair is counted + as a separate character. \end{funcdesc} \begin{funcdesc}{list}{\optional{sequence}} |