https://issues.dlang.org/show_bug.cgi?id=21847

          Issue ID: 21847
           Summary: std.format: %e, %g and %a should be supported for
                    integers too
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: bugzilla@bernis-buecher.de

This is inspired by issue 16078. I see no reason, why integers shouldn't be formatted with these three specifiers. I would probably also add %f for completeness reasons, although it's probably less useful.

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