c++11 Archives - Page 5 of 11

How much is too much with C++11 auto keyword?

I’ve been using the new auto keyword available in the C++11 standard for complicated templated types which is what I believe it was ...

May 22, 2022
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Does static constexpr variable inside a function make sense?

If I have a variable inside a function (say, a large array), does it make sense to declare it both static and constexpr? ...

May 22, 2022
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Is the ‘override’ keyword just a check for a overridden virtual method?

As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the ...

May 22, 2022
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Can lambda functions be templated?

In C++11, is there a way to template a lambda function? Or is it inherently too specific to be templated? I understand that ...

May 21, 2022
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What is “rvalue reference for *this”?

Came across a proposal called “rvalue reference for *this” in clang’s C++11 status page. I’ve read quite a bit about rvalue references and ...

May 21, 2022
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Why can I not push_back a unique_ptr into a vector?

What is wrong with this program? #include <memory> #include <vector> int main() { std::vector<std::unique_ptr<int>> vec; int x(1); std::unique_ptr<int> ptr2x(&x); vec.push_back(ptr2x); //This tiny command ...

May 21, 2022
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What does “default” mean after a class’ function declaration?

I’ve seen default used next to function declarations in a class. What does it do? class C { C(const C&) = default; C(C&&) ...

May 20, 2022
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to_string is not a member of std, says g++ (mingw)

I am making a small vocabulary remembering program where words would would be flashed at me randomly for meanings. I want to use ...

May 20, 2022
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Range based loop: get item by value or reference to const?

Reading some examples of range based loops they suggest two main ways 1, 2, 3, 4 std::vector<MyClass> vec; for (auto &x : vec) ...

May 20, 2022
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What is the ‘override’ keyword in C++ used for? [duplicate]

This question already has answers here: Is the ‘override’ keyword just a check for a overridden virtual method? (6 answers) Closed 8 years ...

May 19, 2022
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