https://issues.dlang.org/show_bug.cgi?id=17910

          Issue ID: 17910
           Summary: Can't have UFCS in aggregate types
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: dfj1esp02@sneakemail.com

struct A
{
  void f()
  {
    SecBuffer b;
    b.clear(); //fail
  }
  private:
  import core.sys.windows.sspi;
  static void clear(ref SecBuffer sb)
  {
    sb.BufferType=SECBUFFER_EMPTY;
  }
}
alias clear=A.clear;

It is undesirable to declare extension methods at global scope if they use local imports.

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