Toy parameterized.expand

parameterized_expand.py

def expand(call_args_list):
  """ Replaces method m with (completed) partials m_0(*call_args[0]), m_1(*call_args[1]), ... m_{n}(*call_args[n])
  ie
  ```
  class TestX:
      @expand([
          ['a', 1],
          ['b', 2],
      ])
      def asdf(letter, number):
          print(letter, number)
  ```
  Functionally becomes:
  ```
  class TestX:
      def asdf_0():
          print('a', 1)
      def asdf_1():
          print('b', 2)
  ```
  
  """

    class decorator:
        def __init__(self, func):
            self.func = func

        def __set_name__(self, obj, name):
            for i, call_args in enumerate(call_args_list):
                def f():
                    return self.func(*call_args)

                setattr(obj, f'{name}_{i}', f)

            delattr(obj, name)

    return decorator