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Document default argument syntax #1687

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Merged
JelleZijlstra merged 1 commit into from
Oct 26, 2017
Merged

Document default argument syntax #1687

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3 changes: 3 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@ class date(object):
def fromtimestamp(cls, timestamp: Union[int, float]) -> date: ...
@classmethod
def fromordinal(cls, ordinal: int) -> date: ...
def replace(self, year: int = ..., month: int = ..., day: int = ...) -> date: ...
@classmethod
def today(self) -> date: ...
def ctime(self) -> str: ...
Expand All @@ -81,6 +82,8 @@ class date(object):
as `Text`).
Even so, in Python 2, whenever possible, use `unicode` if that's the only
possible type, and `Text` if it can be either `unicode` or `bytes`.
* For arguments with default values, use `...` instead of the actual
default value.
* Most type-checkers interpret optional parameters of the form `x : Foo = None`
as `x : Optional[Foo] = ...`. (So the former is a shortcut for the latter)
In typeshed, however, we prefer the explicit latter form.
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