[Issue 15798] New: std.algorithm.mutation.copy takes target by value

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15798

          Issue ID: 15798
           Summary: std.algorithm.mutation.copy takes target by value
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: destructionator at gmail.com

See: http://stackoverflow.com/a/36000424/1457000

Try copying into a MD5. It is recognized as an output range and triggers the
overload that just calls put(dst, src), but since the target was passed by
value, the change is not seen on the outside!

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