This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of Dup status.
Section: 30.4.2.6 [locale.codecvt.byname] Status: Dup Submitter: Matt Austern Opened: 1998-01-14 Last modified: 2016-08-09
Priority: Not Prioritized
View all other issues in [locale.codecvt.byname].
View all issues with Dup status.
Duplicate of: 19
Discussion:
Section 22.2.1.5.2 says that codecvt<>::do_in and do_out should return the value noconv if "no conversion was needed". However, I don't see anything anywhere that defines what it means for a conversion to be needed or not needed. I can think of several circumstances where one might plausibly think that a conversion is not "needed", but I don't know which one is intended here.
Rationale: