[Issue 13157] std.typecons.Unique: Support construction and conversion from compatible types

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13157

--- Comment #2 from Nick Treleaven <ntrel-pub...@yahoo.co.uk> ---
I now think it's best to defer (1) for now in case of better alternatives that
may be available in future (e.g. limited compiler support).

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