Austin Cummings ae3d28b5eb
Implement constructor type guard (#32774)
* Implement constructor type guard

* Fix code review issues for constructor type guard.
- Do not limit constructor expression to only identifiers
- Fix `assumeTrue` and operator no-narrow check
- Use better way to check that identifier type is a function
- Loosen restriction on what expr is left of ".constructor"
- Update typeGuardConstructorClassAndNumber test to include else cases

* Fix grammar & spacing in `narrowTypeByConstructor`

* fix bad merge

* switch (back?) to crlf

* update baselines

Co-authored-by: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
2020-03-11 13:16:33 -07:00
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