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git-svn-id: svn://ultimatepp.org/upp/trunk@7862 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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cxl 2014-11-04 09:36:15 +00:00
parent 08cf67476f
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uppsrc/Core/srcdoc.tpp/pick_$en-us.tpp
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@ -39,13 +39,13 @@ state&]
[s3; C`+`+03 compatibility&]
[s5; In ideal world, we would be now using only C`+`+11. In real
world, we will need to support C`+`+03 for forseeable future.&]
[s5; pick constructor/operator`=`= in C`+`+11 can obviously use&]
[s5; pick constructor/operator`= in C`+`+11 can obviously use&]
[s7; T(T`&`&);&]
[s7; T`& operator(T`&`&);&]
[s7; T`& operator`=(T`&`&);&]
[s5; forms. However, to support C`+`+03, we need to implement them
using quite ugly trick as&]
[s7; T(T const`&);&]
[s7; T`& operator(T const`&);&]
[s7; T`& operator`=(T const`&);&]
[s5; because not doing so would break returning values from functions,
as temporaries in C`+`+11 can only be bind to constant references.
To hide this difference, we&]
@ -54,7 +54,7 @@ To hide this difference, we&]
[s7; #define rval`_ const`&&]
[s5; in C`+`+03 to get unified the form&]
[s7; T(T rval`_);&]
[s7; T`& operator(T rval`_);&]
[s7; T`& operator`=(T rval`_);&]
[s5; (parameter then also has to be const`_casted, but that is not
a problem in C`+`+11). Note also that semantics of `'pick`',
for this reason, is not tested very well in C`+`+03.&]