Functional Python Programming

Adding a parameter to a decorator

A common requirement is to customize a decorator with additional parameters. Rather than simply creating a composite , we're doing something a bit more complex. We're creating . We've applied a parameter, c, as part of creating the wrapper. This parameterized composite,, can then be used with the actual data, x.

In Python syntax, we can write it as follows:

@deco(arg)
def func( ):
    something

This will provide a parameterized ...