If a snake swallows someone in a dream, it means that he will reach a powerful position. If one sees a snake sitting over his head in a dream, it means that he will earn the respect of people in authority. A field which is covered with snakes in a dream represents a destructive rain.
Make the class of the single instance responsible for access and initialization on first use. The single instance is a private static attribute. The accessor function is a public static method. The Singleton pattern ensures that a class has only one instance and provides a global point of access to that instance. It is named after the singleton set, which is defined to be a set containing one element. The office of the President of the United States is a Singleton.
The sequences controlled by an object of template class basic_string are the Standard C++ string class and are usually referred to as strings, but they should not be confused with the null-terminated C-style strings used throughout the Standard C++ Library.