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author | Georg Brandl <georg@python.org> | 2006-12-19 20:50:34 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2006-12-19 20:50:34 (GMT) |
commit | 66a796e5ab8dd7bfc1fe05a830feb05acdab6f53 (patch) | |
tree | 5ce191f813c475bf54c6ab40ecaebb820327a213 /Doc/lib | |
parent | 376446dd4e30006c4d4ad09b4cbda8b07e9ce23a (diff) | |
download | cpython-66a796e5ab8dd7bfc1fe05a830feb05acdab6f53.zip cpython-66a796e5ab8dd7bfc1fe05a830feb05acdab6f53.tar.gz cpython-66a796e5ab8dd7bfc1fe05a830feb05acdab6f53.tar.bz2 |
Patch #1601678: move intern() to sys.intern().
Diffstat (limited to 'Doc/lib')
-rw-r--r-- | Doc/lib/libfuncs.tex | 14 | ||||
-rw-r--r-- | Doc/lib/libsys.tex | 15 |
2 files changed, 15 insertions, 14 deletions
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex index a8c06bb..7e0b88d 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -1262,17 +1262,3 @@ bypass these functions without concerns about missing something important. argument). \end{funcdesc} -\begin{funcdesc}{intern}{string} - Enter \var{string} in the table of ``interned'' strings and return - the interned string -- which is \var{string} itself or a copy. - Interning strings is useful to gain a little performance on - dictionary lookup -- if the keys in a dictionary are interned, and - the lookup key is interned, the key comparisons (after hashing) can - be done by a pointer compare instead of a string compare. Normally, - the names used in Python programs are automatically interned, and - the dictionaries used to hold module, class or instance attributes - have interned keys. \versionchanged[Interned strings are not - immortal (like they used to be in Python 2.2 and before); - you must keep a reference to the return value of \function{intern()} - around to benefit from it]{2.3} -\end{funcdesc} diff --git a/Doc/lib/libsys.tex b/Doc/lib/libsys.tex index 702427a..7a8859b 100644 --- a/Doc/lib/libsys.tex +++ b/Doc/lib/libsys.tex @@ -340,6 +340,21 @@ else: \versionadded{1.5.2} \end{datadesc} +\begin{funcdesc}{intern}{string} + Enter \var{string} in the table of ``interned'' strings and return + the interned string -- which is \var{string} itself or a copy. + Interning strings is useful to gain a little performance on + dictionary lookup -- if the keys in a dictionary are interned, and + the lookup key is interned, the key comparisons (after hashing) can + be done by a pointer compare instead of a string compare. Normally, + the names used in Python programs are automatically interned, and + the dictionaries used to hold module, class or instance attributes + have interned keys. \versionchanged[Interned strings are not + immortal (like they used to be in Python 2.2 and before); + you must keep a reference to the return value of \function{intern()} + around to benefit from it]{2.3} +\end{funcdesc} + \begin{datadesc}{last_type} \dataline{last_value} \dataline{last_traceback} |