It also has a number of immediate benefits, like the ability to The major motivation for introducing new-style classes is to provide a unified object model with a full meta-model. New-style class instance is permitted to override the value returned The same as x._class_ (although this is not guaranteed – a If x is an instance of a new-style class, then type(x) is typically New-style classes were introduced in Python 2.2 to unify the concepts of class and type.Ī new-style class is simply a user-defined type, no more, no less. Their class, are implemented with a single built-in type, called This reflects the fact that all old-style instances, independently of If x is an instance of an old-style class, then x._class_ĭesignates the class of x, but type(x) is always. The concept of (old-style) class is unrelated to the concept of type: Up to Python 2.1, old-style classes were the only flavour available to the user.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |