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From "Eric Lemings" <Eric.Lemi...@roguewave.com>
Subject RE: svn commit: r675044 - in /stdcxx/branches/4.3.x: include/rw/_tuple.h include/tuple tests/utilities/20.tuple.cnstr.cpp tests/utilities/20.tuple.creation.cpp tests/utilities/20.tuple.h tests/utilities/20.tuple.helpers.cpp
Date Wed, 09 Jul 2008 21:13:36 GMT
 

> -----Original Message-----
> From: Martin Sebor [mailto:sebor@roguewave.com] 
> Sent: Wednesday, July 09, 2008 11:10 AM
> To: dev@stdcxx.apache.org
> Subject: Re: svn commit: r675044 - in /stdcxx/branches/4.3.x: 
> include/rw/_tuple.h include/tuple 
> tests/utilities/20.tuple.cnstr.cpp 
> tests/utilities/20.tuple.creation.cpp 
> tests/utilities/20.tuple.h tests/utilities/20.tuple.helpers.cpp
> 
...
> > This can probably be changed to use a void return type, which will
> > simplify the code further. You only really need the return 
> type to chain
> > assignments or to call a function on the result, none of 
> which we should
> > be doing.
> 
> Good idea! Also, the inline specifier is redundant and should
> be removed.

A void return type causes an compile error:

gcc -c -I/work/stdcxx/branches/4.3.x/include/ansi -D_RWSTDDEBUG
-pthread -I/work/stdcxx/branches/4.3.x/include
-I/build/stdcxx-4.3.x-15D/include
-I/work/stdcxx/branches/4.3.x/tests/include  -pedantic -nostdinc++
-std=gnu++0x -D_RWSTD_EXT_CXX_0X -g   -W -Wall -Wcast-qual -Winline
-Wshadow -Wwrite-strings -Wno-long-long -Wcast-align
/work/stdcxx/branches/4.3.x/tests/utilities/20.tuple.creation.cpp
/work/stdcxx/branches/4.3.x/include/rw/_tuple.h: In member function
'void __rw::__rw_ignore::operator=(const _TypeT&) const [with _TypeT =
double]':
/work/stdcxx/branches/4.3.x/include/rw/_tuple.h:131:   instantiated from
'__rw::__rw_tuple<_HeadT, _TailT ...>& __rw::__rw_tuple<_HeadT, _TailT
...>::operator=(__rw::__rw_tuple<_HeadU, _TailU ...>&&) [with _HeadU =
double, _TailU = const char*, _HeadT = const __rw::__rw_ignore&, _TailT
= const char*&]'
/work/stdcxx/branches/4.3.x/include/rw/_tuple.h:130:   instantiated from
'__rw::__rw_tuple<_HeadT, _TailT ...>& __rw::__rw_tuple<_HeadT, _TailT
...>::operator=(__rw::__rw_tuple<_HeadU, _TailU ...>&&) [with _HeadU =
int, _TailU = double, const char*, _HeadT = int&, _TailT = const
__rw::__rw_ignore&, const char*&]'
/work/stdcxx/branches/4.3.x/include/tuple:123:   instantiated from
'std::tuple<_TypesT>& std::tuple<_TypesT>::operator=(std::tuple<_TypesU
...>&&) [with _TypesU = int, double, const char*, _TypesT = int&, const
__rw::__rw_ignore&, const char*&]'
/work/stdcxx/branches/4.3.x/tests/utilities/20.tuple.creation.cpp:75:
instantiated from here
/work/stdcxx/branches/4.3.x/include/rw/_tuple.h:181: error:
return-statement with a value, in function returning 'void'
make: *** [20.tuple.creation.o] Error 1

Brad.

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