https://issues.dlang.org/show_bug.cgi?id=24318

          Issue ID: 24318
           Summary: Nullable should support non-copyable objects
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: dlang-bugzilla@thecybershadow.net

https://github.com/dlang/phobos/pull/6619#issuecomment-1877406035

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