overloading operators for a function object

[Fletcher Johnson]

Is it possible to overload operators for a function?

For instance I would like to do something roughly like...

def func_maker():
def func(): pass

def __eq__(other):
if other == "check": return True
return False

func.__eq__ = __eq__
return func

newfunc = func_maker()
newfunc == "check" #true
newfunc == "no" #false

 

[Chris Rebert]

Is it possible to overload operators for a function?

For instance I would like to do something roughly like...

def func_maker():
 def func(): pass

 def __eq__(other):
   if other == "check":  return True
   return False

 func.__eq__ = __eq__
 return func

newfunc = func_maker()
newfunc == "check" #true
newfunc == "no" #false

You can write a callable [wrapper] object to get the same effect:

class SpecialFunction(object):
def __call__(self, actual, args, go, here):
return whatever

def __eq__(self, other):
return other == "check"

newfunc = SpecialFunction()
newfunc == "check" # => True
newfunc(1, 2, 3, 4) #=> whatever

Cheers,
Chris

 

[Westley Martínez]

Is it possible to overload operators for a function?

For instance I would like to do something roughly like...

def func_maker():
def func(): pass

def __eq__(other):
if other == "check": return True
return False

func.__eq__ = __eq__
return func

newfunc = func_maker()
newfunc == "check" #true
newfunc == "no" #false

I'm curious as to what you're going to use this for.