[Issue 20713] Improve Template Deduction Error Message Given Template Parameter Default Values

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20713

--- Comment #1 from Dlang Bot <dlang-bot at dlang.rocks> ---
@ntrel created dlang/dmd pull request #16827 "Show nested template function
signature in candidate message" mentioning this issue:

- Show nested template function signature in candidate message

  Part of Bugzilla 20713 - Improve Template Deduction Error Message Given
Template Parameter Default Values

https://github.com/dlang/dmd/pull/16827

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