Hi all, I recently ran into a problem trying to adapt mypy into an older
codebase, and it got me thinking about a potential addition to the typing
library.
This idea comes in two parts (that can even be taken individually): the
first is to allow the False singleton literal to be used in type
annot
On Tue, Mar 9, 2021 at 9:15 PM Ben Avrahami wrote:
> raw_value : str = input()
> # suppose we want to convert raw_value to an int, but leave it as an
> arbitrary falsish value if raw_value is an empty string, we can now do this
> in the following ways:
> # annotate value as a union (type hint is
I was astonished that `typing.Maybe[T]` doesn't already exist, but if it
did exist, surely it would have to be `Union[T, None]`. Ah wait, that
would be spelled "Optional".
As for the pseudo-type `False` meaning "any falsey value", I don't think
that tracking the *value* of variables is somethin
