c++-faq Archives - Page 4 of 8

Where do I find the current C or C++ standard documents?

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May 8, 2022
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What is this weird colon-member (” : “) syntax in the constructor?

Recently I’ve seen an example like the following: #include <iostream> class Foo { public: int bar; Foo(int num): bar(num) {}; }; int main(void) ...

May 8, 2022
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What is external linkage and internal linkage?

I want to understand the external linkage and internal linkage and their difference. I also want to know the meaning of const variables ...

May 8, 2022
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Resolve build errors due to circular dependency amongst classes

I often find myself in a situation where I am facing multiple compilation/linker errors in a C++ project due to some bad design ...

May 6, 2022
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What are copy elision and return value optimization?

What is copy elision? What is (named) return value optimization? What do they imply? In what situations can they occur? What are limitations? ...

May 5, 2022
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What are the differences between struct and class in C++?

This question was already asked in the context of C#/.Net. Now I’d like to learn the differences between a struct and a class ...

May 4, 2022
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What’s the difference between “STL” and “C++ Standard Library”?

Someone brought this article to my attention that claims (I’m paraphrasing) the STL term is misused to refer to the entire C++ Standard ...

May 4, 2022
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How does the compilation/linking process work?

How does the compilation and linking process work? (Note: This is meant to be an entry to Stack Overflow’s C++ FAQ. If you ...

May 4, 2022
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C++11 rvalues and move semantics confusion (return statement)

I’m trying to understand rvalue references and move semantics of C++11. What is the difference between these examples, and which of them is ...

May 4, 2022
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How do I use arrays in C++?

C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone (std::vector<T> ...

May 3, 2022
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