Check TSend type when iterating over a generator

[weirdan]

Feature request

Currently, PHPStan fails to prevent (very much preventable) fatal error:

https://3v4l.org/ONh6K

https://phpstan.org/r/067c8fd9-170f-4662-8818-a85a6cc277a5

It would be nice if it could catch it.

Also, see vimeo/psalm#10697 for the proposed implementation of this in Psalm.

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Not a PHPStan user myself, but happy that it exists.