32 lines
725 B
Python
32 lines
725 B
Python
|
# test implicit scoping rules
|
||
|
|
|
||
|
|
# implicit nonlocal, with variable defined after closure
|
||
|
|
def f():
|
||
|
|
def g():
|
||
|
|
return x # implicit nonlocal
|
||
|
|
x = 3 # variable defined after function that closes over it
|
||
|
|
return g
|
||
|
|
print(f()())
|
||
|
|
|
||
|
|
# implicit nonlocal at inner level, with variable defined after closure
|
||
|
|
def f():
|
||
|
|
def g():
|
||
|
|
def h():
|
||
|
|
return x # implicit nonlocal
|
||
|
|
return h
|
||
|
|
x = 4 # variable defined after function that closes over it
|
||
|
|
return g
|
||
|
|
print(f()()())
|
||
|
|
|
||
|
|
# local variable which should not be implicitly made nonlocal
|
||
|
|
def f():
|
||
|
|
x = 0
|
||
|
|
def g():
|
||
|
|
x # local because next statement assigns to it
|
||
|
|
x = 1
|
||
|
|
g()
|
||
|
|
try:
|
||
|
|
f()
|
||
|
|
except NameError:
|
||
|
|
print('NameError')
|