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2019.isblank not supported by std::locale
Section: 28.3.3.3.1 [classification] Status: C++11 Submitter: Jonathan Wakely Opened: 2010-11-16 Last modified: 2016-01-28
Priority: Not Prioritized
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Discussion:
C99 added isblank and iswblank to <locale.h> but <locale> does not provide any equivalent.
[2011-02-24 Reflector discussion]
Moved to Tentatively Ready after 6 votes.
Proposed resolution:
Add to 28.3.3.3.1 [classification] synopsis:
template <class charT> bool isgraph (charT c, const locale& loc); template <class charT> bool isblank (charT c, const locale& loc);
Add to 28.3.4.2 [category.ctype] synopsis:
static const mask xdigit = 1 << 8; static const mask blank = 1 << 9; static const mask alnum = alpha | digit; static const mask graph = alnum | punct;
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