gcc/testsuite/gdc.test/compilable/test17421.d

   1 // https://issues.dlang.org/show_bug.cgi?id=17421
   2
   3 import core.stdc.stdarg;
   4
   5 void novar() {}
   6 extern(C) void cstyle(int, ...) {}
   7 extern(C++) void cppstyle(int, ...) {}
   8 void dstyle(...) {}
   9 void typesafe(int[]...) {}
  10
  11 static assert(__traits(getFunctionVariadicStyle, novar) == "none");
  12 static assert(__traits(getFunctionVariadicStyle, cstyle) == "stdarg");
  13 static assert(__traits(getFunctionVariadicStyle, cppstyle) == "stdarg");
  14 static assert(__traits(getFunctionVariadicStyle, dstyle) == "argptr");
  15 static assert(__traits(getFunctionVariadicStyle, typesafe) == "typesafe");
  16
  17 static assert(__traits(getFunctionVariadicStyle, (int[] a...) {}) == "typesafe");
  18 static assert(__traits(getFunctionVariadicStyle, typeof(cstyle)) == "stdarg");
  19