http://d.puremagic.com/issues/show_bug.cgi?id=2898

           Summary: Allow RandomCover to sample both w/ and w/o replacement.
           Product: D
           Version: 2.029
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: bugzi...@digitalmars.com
        ReportedBy: dsim...@yahoo.com


Currently, RandomCover only allows sampling without replacement.  I have
created a modified version, located at
http://dsource.org/projects/scrapple/browser/trunk/rangeextra/randomcover.d ,
that also allows sampling a random access range with replacement as an infinite
range.  This is done by template overloading on w/ or w/o replacement.  

This version of RandomCover also fixes bug 2865 and, in the w/o replacement
version, replaces the bool[] with a BitArray for better space efficiency.


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