[Python-Dev] Disabling string interning for null and single-char causes segfaults
Amaury Forgeot d'Arc
amauryfa at gmail.com
Mon Mar 4 20:06:31 CET 2013
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Mon Mar 4 20:06:31 CET 2013
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2013/3/4 Serhiy Storchaka <storchaka at gmail.com> > On 01.03.13 17:24, Stefan Bucur wrote: > >> Before digging deeper into the issue, I wanted to ask here if there are >> any implicit assumptions about string identity and interning throughout >> the interpreter implementation. For instance, are two single-char >> strings having the same content supposed to be identical objects? >> > > I think this is not a bug if the code relies on the fact that an empty > string is a singleton. This obviously is an immutable object and there is > no public method to create different empty string. Really? >>> x = u'\xe9'.encode('ascii', 'ignore') >>> x == '', x is '' (True, False) -- Amaury Forgeot d'Arc -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20130304/d703ebcc/attachment.html>
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