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Merged
merged 1 commit into from
Nov 6, 2019
Merged

Generic variance #4

merged 1 commit into from
Nov 6, 2019

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arnaud-lb
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@arnaud-lb arnaud-lb commented Nov 6, 2019 •
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This builds on phpstan/phpdoc-parser#34 to support covariance of type variables, via @template-covariant.

Missing:

  • Rule to allow covariant type variables only as return types (f(): T), or as covariant type parameter (Bar<T> when Bar has @template-covariant).

@ondrejmirtes ondrejmirtes merged commit cfcc764 into phpstan:master Nov 6, 2019
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@arnaud-lb @ondrejmirtes