cpp/experimental/any/any

Constructs a new object.

@1@ Constructs an empty object.

@2-3@ Copies or moves  content of  into a new instance, so that any content is equivalent in both type and value to those of  prior to the constructor call, or empty if  is empty.

@4@ Constructs an object with initial content an object of type, direct-initialized from. If is, the program is ill-formed. .

Exceptions
@2,4@ Throws any exception thrown by the constructor of the contained type.