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t = (1,2,3)
l = [1,2,3]
def assign3(t):
"""
>>> assign3(l)
(1, 2, 3)
>>> assign3(t)
(1, 2, 3)
>>> assign3((1,))
Traceback (most recent call last):
ValueError: need more than 1 value to unpack
>>> assign3((1,2))
Traceback (most recent call last):
ValueError: need more than 2 values to unpack
>>> assign3((1,2,3,4))
Traceback (most recent call last):
ValueError: too many values to unpack (expected 3)
"""
a,b,c = t
return (a,b,c)
def assign3_typed(tuple t):
"""
>>> assign3_typed(t)
(1, 2, 3)
>>> assign3_typed(l)
Traceback (most recent call last):
TypeError: Argument 't' has incorrect type (expected tuple, got list)
>>> a,b,c = (1,) # doctest: +ELLIPSIS
Traceback (most recent call last):
ValueError: ...
>>> assign3_typed((1,))
Traceback (most recent call last):
ValueError: need more than 1 value to unpack
>>> a,b,c = (1,2) # doctest: +ELLIPSIS
Traceback (most recent call last):
ValueError: ...
>>> assign3_typed((1,2))
Traceback (most recent call last):
ValueError: need more than 2 values to unpack
>>> a,b,c = (1,2,3,4) # doctest: +ELLIPSIS
Traceback (most recent call last):
ValueError: ...
>>> assign3_typed((1,2,3,4))
Traceback (most recent call last):
ValueError: too many values to unpack (expected 3)
>>> a,b = 99,98
>>> a,b = t # doctest: +ELLIPSIS
Traceback (most recent call last):
ValueError: ...
>>> a,b
(99, 98)
"""
a,b,c = t
return (a,b,c)
def assign3_int(t):
"""
>>> assign3_int(l)
(1, 2, 3)
"""
cdef int a,b,c
a,b,c = t
return (a,b,c)
def assign3_mixed1(t):
"""
>>> assign3_mixed1(l)
(1, 2, 3)
"""
cdef int a
a,b,c = t
return (a,b,c)
def assign3_mixed2(t):
"""
>>> assign3_mixed2(l)
(1, 2, 3)
"""
cdef int b
a,b,c = t
return (a,b,c)
def assign3_mixed3(t):
"""
>>> assign3_mixed3(l)
(1, 2, 3)
"""
cdef int c
a,b,c = t
return (a,b,c)
def assign3_mixed4(t):
cdef int b,c
a,b,c = t
return (a,b,c)
def test_overwrite(t):
"""
>>> test_overwrite(l)
(99, 98)
>>> test_overwrite(t)
(99, 98)
"""
a,b = 99,98
try:
a,b = t
except ValueError:
pass
return (a,b)
def test_overwrite_int(t):
"""
>>> test_overwrite_int(l)
(99, 98)
>>> test_overwrite_int(t)
(99, 98)
"""
cdef int a,b
a,b = 99,98
try:
a,b = t
except ValueError:
pass
return (a,b)
def test_overwrite_mixed(t):
"""
>>> test_overwrite_mixed(l)
(99, 98)
>>> test_overwrite_mixed(t)
(99, 98)
"""
cdef int b
a,b = 99,98
try:
a,b = t
except ValueError:
pass
return (a,b)
def test_overwrite_mixed2(t):
"""
>>> test_overwrite_mixed2(l)
(99, 98)
>>> test_overwrite_mixed2(t)
(99, 98)
"""
cdef int a
a,b = 99,98
try:
a,b = t
except ValueError:
pass
return (a,b)
|
