Property Decorator

Use property decorator on any method in the class to use the method as a property.

Property decorator. TypeScript supports various kinds of decorators including Class Method and Property Decorators. A Decorator is a special kind of declaration that can be applied to classes methods accessor property or parameter. The property decorator is a function applied to the property declaration in our classes.

Expand the box below for an example using these decorators. Decorators are a language feature proposal for JavaScript which you can find in the TC39 Documentation. It is defined just before declaring a property most similar to method decorators.

The expression for the property decorator will be called as a function at runtime with the following two arguments. Radiussetter the method getter is referring too. Decorators are simply functions that are prefixed expression symbol where expression must evaluate to a function that will be called at runtime with information about the decorated declaration.

Now lets see some examples to illustrate the use of property decorator in Python. To use the property decorator we need to wrap it around any function method. The property decorator is implemented with a pattern similar to the my_decorator function.

The property decorator is a built-in decorator in Python for the property function. Heres a simple example. Property def funa b.

It is used to give special functionality to certain methods to make them act as getters setters or deleters when we define properties in a class. Specifies the setter method for a property that sets the value to a property. Return a b This is the same as.