temporaries

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Prevent temporary from extending its lifetime?

This may be impossible, but I was wondering if it was possible to keep a temporary from ever lasting past its original expression. I have a chain of objects which point to parent objects, and a member[详细]

2023-04-09 08:42 分类：问答
BOOST_FOREACH Iteration over boost::shared_ptr<list>

I\'m doing something similar to this item Correct BOOST_FOREACH usage? However, my returned list is wrapped in a boost::shared_ptr.If I do not assign the list to a variable before the BOOST_FOREACH l[详细]

2023-03-17 08:52 分类：问答
If temporaries are implicitly non-modifiable, how does this work?

I\'m told that, in C++03, temporaries are implicitly non-modifiable. However, the following compiles for m开发者_开发知识库e on GCC 4.3.4 (in C++03 mode):[详细]

2023-03-15 16:03 分类：问答
Binding temporary to const reference in c'tor initializer list

Section 12.2.5 in C++03 says \"A temporary boun开发者_如何学Pythond to a reference member in a constructor’s ctor-initializer (12.6.2) persists until the constructor exits\"[详细]

2023-02-05 09:53 分类：问答
Working around the C++ limitation on non-const references to temporaries

I\'ve got a C++ data-structure that is a required \"scratchpad\" for other computations.It\'s not long-lived, and it\'s not frequently used so not performance critical.However, it includes a random nu[详细]

2023-01-16 17:23 分类：问答
C++ Copy constructor, temporaries and copy semantics

For this program #include <iostream> using std::cout; struct C { C() { cout << \"Default C called!\\n\"; }[详细]

2022-12-21 05:32 分类：问答
Are all temporaries rvalues in C++?

I have been coding in C++ for past few years. But there is one question that I have not been able to figure out. I want to ask, are 开发者_如何学JAVAall temporaries in C++, rvalues?[详细]

2022-12-18 00:51 分类：问答