https://issues.dlang.org/show_bug.cgi?id=22112

          Issue ID: 22112
           Summary: std.range.interfaces.RandomAccessFinite.opSlice is
                    documented but doesn't exist
           Product: D
           Version: D2
          Hardware: All
               URL: http://dlang.org/
                OS: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: john.loughran.colvin@gmail.com

https://dlang.org/phobos/std_range_interfaces.html#.RandomAccessFinite.opSlice

but it's in version(none)

https://github.com/dlang/phobos/blob/47546dd8506f228087efa0a35fd4c4d9fa3b0b16/std/range/interfaces.d#L191

--