更新量字典我想下面的功能的实现在文档测试工作: def Add_to_shopping_cart(shopping_cart, product, amount=0):
shopping_cart[product]=Amount
shopping_cart={product}
return Amount
"""
Adds a certain quan
我正在检出doctest并将该因子示例复制到了我的编辑器中。由于使用递归感觉更多的函数式编程,我觉得像这样改变例子; def factorial(n):
# ... omitted
if n+1 == n: # catch a value like 1e300
raise OverflowError("n too large")
if n == 0:
我有一个使用FFI绑定到C函数的模块。我怎样才能让这个模块使用doctest? 运行doctest Foo.hs当我得到的错误是这样的: ByteCodeLink: can't find label
During interactive linking, GHCi couldn't find the following symbol:
bar
This may be due to y
有一个函数fix(),作为将字符串写入文本文件的输出函数的辅助函数。 def fix(line):
"""
returns the corrected line, with all apostrophes prefixed by an escape character
>>> fix('DOUG\'S')
'DOUG\\\'S'
"""