29_decorator

# decorator
# -------------


# normal example
# ------------------

# def sqr(i):
#     return i * i

# def calc(calcFun, numArr):
#     result = []
#     for i in numArr:
#         result.append(calcFun(i))
#     return result

# numbers = calc(sqr, [1, 2, 3, 4, 5])
# print(numbers)

# original decorator example
# --------------------------------------------

def decorator_xmple(main_fun):
    def wrapper(*args, **kargs):
        print('this is printed before {} function'.format(main_fun.__name__))
        return main_fun(*args, **kargs)
    return wrapper


@decorator_xmple
def msg():
    print('now i got it .. . . . . ')

msg()

@decorator_xmple
def person(name, age):
    print('name & age is: {} , {}'.format(name, age))
person('riju', 21)
# passThrough = decorator_xmple(msg)
# print(passThrough)