https://issues.dlang.org/show_bug.cgi?id=23656

          Issue ID: 23656
           Summary: __traits(isScalar) is not adequately defined
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: dlang.org
          Assignee: nobody@puremagic.com
          Reporter: destructionator@gmail.com

What is a scalar type? Why would it include an int4 but not a typeof(null)?

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