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Support class-string-map<T of Foo, T> #266
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I will add support for this type in the second version.
Apparently,
phpstan/phpdoc-parserdoes not support this type. Untilphpstan/phpdoc-parsersupports this type, we won't be able to do anything.
Reacted by kkmuffmeYes, there's an issue open for that phpstan/phpstan#9521
Reacted by Maksim SpirkovAlso it's actually
class-string-map<T as Foo, T>(not "of") - with psalm having a bug report for it previously vimeo/psalm#10095 - so both need to be supportedclass-string-map<T, T>without any type specification is valid too (as per the OP link, however it's often overlooked)Reacted by Maksim Spirkov- added a commit that references this issue
on Apr 15, 2026
See https://psalm.dev/docs/annotating_code/type_syntax/utility_types/#class-string-mapt-of-foo-t
It's essentially a more specific type of array<class-string, Foo>