[Issue 15732] std.function partial does not work with function / delegate references

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15732

--- Comment #1 from mikey <abc.mikey at googlemail.com> ---
Created attachment 1588
  --> https://issues.dlang.org/attachment.cgi?id=1588&action=edit
Examle of "fixed" partial

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