PYTHON

python anonymous function

def sum ( a, b ):			# non anonymous
        return a+b
print (sum(1, 2))			# 3

sum = lambda a,b: (a+b)		# anonymous / lambda
print (sum(1, 2))			# 3

python anonymous function

# You have to save the lambda expresion for it to work

nameOfLambda = lambda arg1, arg2: expression

anonymous function python

#define a function inline
#(syntax) lambda parameter_list: expression     parameter_list is comma separated
#lambda implicitly returns its expression's value, thus equivalent to any simple fxn of form...
'''
def function_name(parameter_list)
    return expression
'''

numbers = [10, 3, 7, 1, 9, 4, 2, 8, 5, 6]
print(list(filter(lambda x: x%2 != 0, numbers))) #here filter() takes a fxn as 1st argument
# [3, 7, 1, 9, 5]

python anonymous object

class MicroMock(object):
  def __init__(self, **kwargs):
    self.__dict__.update(kwargs)
  def print_foo(x):
    print x.foo
    print_foo(MicroMock(foo=3))