https://issues.dlang.org/show_bug.cgi?id=14345

          Issue ID: 14345
           Summary: Proxy doesn't support multidimensional structures
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: Phobos
          Assignee: nobody@puremagic.com
          Reporter: vlevenfeld@gmail.com

opDollar (size_t)() exists and opIndex* seems to support multiple dimensions
but I don't see opSlice (size_t)(...)

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