69 lines
906 B
Python
69 lines
906 B
Python
|
# to test keyword-only arguments
|
||
|
|
|
||
|
|
# simplest case
|
||
|
|
def f(*, a):
|
||
|
|
print(a)
|
||
|
|
|
||
|
|
f(a=1)
|
||
|
|
|
||
|
|
# with 2 keyword-only args
|
||
|
|
def f(*, a, b):
|
||
|
|
print(a, b)
|
||
|
|
|
||
|
|
f(a=1, b=2)
|
||
|
|
f(b=1, a=2)
|
||
|
|
|
||
|
|
# positional followed by bare star
|
||
|
|
def f(a, *, b, c):
|
||
|
|
print(a, b, c)
|
||
|
|
|
||
|
|
f(1, b=3, c=4)
|
||
|
|
f(1, c=3, b=4)
|
||
|
|
f(1, **{'b':'3', 'c':4})
|
||
|
|
|
||
|
|
try:
|
||
|
|
f(1)
|
||
|
|
except TypeError:
|
||
|
|
print("TypeError")
|
||
|
|
|
||
|
|
try:
|
||
|
|
f(1, b=2)
|
||
|
|
except TypeError:
|
||
|
|
print("TypeError")
|
||
|
|
|
||
|
|
try:
|
||
|
|
f(1, c=2)
|
||
|
|
except TypeError:
|
||
|
|
print("TypeError")
|
||
|
|
|
||
|
|
# with **kw
|
||
|
|
def f(a, *, b, **kw):
|
||
|
|
print(a, b, kw)
|
||
|
|
|
||
|
|
f(1, b=2)
|
||
|
|
f(1, b=2, c=3)
|
||
|
|
|
||
|
|
## with a default value; not currently working
|
||
|
|
#def g(a, *, b=2, c):
|
||
|
|
# print(a, b, c)
|
||
|
|
#
|
||
|
|
#g(1, c=3)
|
||
|
|
#g(1, b=3, c=4)
|
||
|
|
#g(1, **{'c':3})
|
||
|
|
#g(1, **{'b':'3', 'c':4})
|
||
|
|
|
||
|
|
# with named star
|
||
|
|
def f(*a, b, c):
|
||
|
|
print(a, b, c)
|
||
|
|
|
||
|
|
f(b=1, c=2)
|
||
|
|
f(c=1, b=2)
|
||
|
|
|
||
|
|
# with positional and named star
|
||
|
|
def f(a, *b, c):
|
||
|
|
print(a, b, c)
|
||
|
|
|
||
|
|
f(1, c=2)
|
||
|
|
f(1, 2, c=3)
|
||
|
|
f(a=1, c=3)
|