Decorators
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print('decorator sample1')
def counter(fn):
count = 0
def inner(*args, **kwargs):
nonlocal count
count += 1
print('Function {0} was called {1} times'.format(fn.__name__,count))
return fn(*args, **kwargs)
return inner
def add(a,b=0):
return a + b
print(id(add))
add = counter(add)
print(id(add))
add(1,1)
add(2,2)
print('decorator sample2')
def counter(fn):
count = 0
def inner(*args, **kwargs):
nonlocal count
count += 1
print('Function {0} was called {1} times'.format(fn.__name__,count))
return fn(*args, **kwargs)
return inner
def add(a,b=0):
return a + b
print(id(add))
add(1,1)
add(2,2)
Python
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