On 4/13/16 11:46 PM, Levi Morrison wrote:
As alluded to in an earlier email today[1] I am now moving the Union
Types RFC[2] to the discussion phase. The short summary of the RFC is
that it permits a type declaration to be one of several enumerated
types.
I look forward to a helpful and meaningful discussion!
[1]: http://news.php.net/php.internals/92252
[2]: https://wiki.php.net/rfc/union_types
Hi Levi,
Your email [1] excellently summarizes the overall historical and present
context. In it you listed three specific things that 7.0 cannot
represent. My RFC[3] basically argues in favor of implementing only the
first of these in 7.1. I like to see this as a more conservative version
of yours, preferring a more gradual introduction of these three
loosenings of PHP 7.0's type features.
[3] https://wiki.php.net/rfc/nullable_returns
I hope you will consider this a constructive contribution to the discussion.
Tom
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