Consider the code auto p = new T( U(std::move(v)) ); The initializer is then U(std::move(v)). Let's assume that T( U(std::move(v)) ) does not throw. If the initializer is evaluated after the und...

Here's a simple question : Is there any (performance) difference between this : Person person = new Person() { Name = "Philippe", Mail = "[email protected]", }; and this Person person = ...

I want to initialize a class member which is also another class object.The problem is that, I have to initialize the member with variables that I figure out after doing some operations on my constr...

What is the difference between the two cases below: class Data { PersonDataContext persons = new PersonDataContext(); public Data() {} } versus class Data { PersonDataContext persons; publi...

Is it bad practice to initialize the objects in the module, in the module code? in Module.py: class _Foo(object): def __init__(self): self.x = 'Foo' Foo = _Foo() Than in user code, you could...

The standard and the C++ book say that the default constructor for class type members is called by the implicit generated default constructor, but built-in types are not initialized. However, in th...