[Boost-bugs] [Boost C++ Libraries] #3631: Regex ICU support doesn't compile with #define U_USING_ICU_NAMESPACE 0

Subject: [Boost-bugs] [Boost C++ Libraries] #3631: Regex ICU support doesn't compile with #define U_USING_ICU_NAMESPACE 0
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2009-11-17 16:15:38

#3631: Regex ICU support doesn't compile with #define U_USING_ICU_NAMESPACE 0
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 Reporter:  Matthias Schiffer <matthias@…>            |       Owner:  johnmaddock
     Type:  Bugs                                      |      Status:  new        
Milestone:  Boost 1.41.0                              |   Component:  regex      
  Version:  Boost 1.40.0                              |    Severity:  Problem    
 Keywords:                                            |  
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 To prevent namespace pollution, I definde U_USING_ICU_NAMESPACE to 0 in my
 projects before including any ICU headers. This prevents the ICU headers
 from adding a "using namespace icu" to the root namespace, so classes like
 UnicodeString are only available in the icu:: namespace.

 While most uses of ICU classes in the Boost Regex ICU headers are
 prepended with U_NAMESPACE_QUALIFIER (e.g. Locale and Collator), this
 seems to have been forgotten for UnicodeString, causing the compile to
 fail.

 Minimal example to reproduce and patch attached.

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/3631>
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