from pyover import overload, This

class Foo:
  
  @overload(This, int) # We need to add 'This' to overload method (class or instance)
  def bar(self, x):
    print(x**2)
    
  @bar.overload(This, str)
  def bar(self, x):
    print(x + x)
    
@overload(int, int)
def spam(x, y):
  print(x - y)

@spam.overload(str, int)
def spam(x, y):
  print(x + " - %i" % y)

obj = Foo()
obj.bar(3) # 9
obj.bar('egg') # eggegg

spam(3, 2) # 1
spam('3', 2) # 3 - 2