
Which rules determine whether an object is trivially copyable
May 7, 2015 · With the introduction of c++11, trivially copyableness has gotten quite relevant. Most notably in the use of 'std::atomic'. The basics are quite simple. A class foo is trivially copyable if: foo* ...
How do I make this C++ object non-copyable? - Stack Overflow
How do I make this C++ object non-copyable? Asked 15 years, 10 months ago Modified 2 years, 7 months ago Viewed 85k times
How to determine whether a c++ class is copyable
My expectation is that copying will create a perfect value-for-value copy. A more general way of asking my question is the following: Generally speaking, what types of things can possibly cause problems …
Is `std::function` deprecated by `std::copyable_function` in C++26?
Dec 19, 2024 · What are the key advantages of std::copyable_function over std::function? Invoking an empty std::copyable_function is undefined, while invoking an empty std::function will throw an …
How to define a copyable struct containing a String?
Jul 11, 2016 · How to define a copyable struct containing a String? [duplicate] Asked 9 years, 5 months ago Modified 9 years, 5 months ago Viewed 27k times
When is a type in c++11 allowed to be memcpyed? - Stack Overflow
In general, a trivially copyable type is any type for which the underlying bytes can be copied to an array of char or unsigned char and into a new object of the same type, and the resulting object would have …
Is there a std::noncopyable (or equivalent)? - Stack Overflow
Aug 11, 2015 · A class that is non-copyable can however be made movable by overloading a constructor from MyClass&&. The declaration to make the class non-copyable (above) can be in the …
Using std::memcpy to object of non-trivially copyable type
Sep 25, 2014 · What potential problem we could get if we applied that function to an object of non-trivially copyable type? Here's a very simple example that illustrates the problem of using …
Easy way to add 'copy to clipboard' to GitHub markdown?
Aug 9, 2015 · This is probably the most straightforward way I know of. So all you have to do is Any Header/subtitle or any text you want starting with hash, then in the next line, you add your copyable …
Why is std::is_trivial deprecated in C++26? - Stack Overflow
Nov 25, 2024 · This change comes from P3247: Deprecate the notion of trivial types. The problem with std::is_trivial is that it mixes two different checks: std::is_trivially_copyable …