Re: [BuildStream] Proposal: Consider adding type hints

[Tristan Van Berkom <tristan vanberkom codethink co uk>]

On Wed, 2019-06-26 at 11:17 +0100, James Ennis via buildstream-list wrote:
> Hi Chandan,
[...]
> Another +1 from me, I think it's a great idea.
>
> The tutorial includes a "Pros and Cons" section [7] which I think 
> strengthens
> your proposal. There are no "Cons" listed here which I think provide
> a good enough reason to reject this proposal.
>
> Just bear in mind that we support >= python3.5, it seems that variable
> annotations [8] e.g. `pi: float = 3.14159` were not introduced until
> Python 3.6.

Just chiming in here on that limitation... given that BuildStream 2 is
not going to be released for quite some time, it may be fair to drop
python 3.5 support if it becomes unwieldy, at least something that we
can consider.

Cheers,
    -Tristan