[Issue 11389] template arity does not work with function type

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=11389

--- Comment #2 from github-bugzilla at puremagic.com ---
Commits pushed to stable at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/b4aeee60503b0a20c15fea8d3d8dbaddfc60c017
fix issue 11389 - template arity does not work with function type

https://github.com/dlang/phobos/commit/762044e486a000db570e61834a6af7db07ca5fae
Merge pull request #5736 from BBasile/issue-11389

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