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* ...

The typical way to make a C++ object non-copyable is to explicitly declare a copy constructor and copy-assignment operator but not implement them. This will prevent the compiler from generating its own.

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 …

Jul 18, 2022 · The standard says A trivially copyable class is a class: (1.1) that has at least one eligible copy constructor, move constructor, copy assignment operator, or move assignment operator …

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 …

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 …

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

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 …

Jun 23, 2025 · C++26 will introduce std::is_trivially_relocatable_v, and the proposal author states: Trivially copyable implies trivially relocatable. However, I think the statement might not always be …

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 …