gcc/testsuite/gdc.test/runnable/manboy.d

   1 // PERMUTE_ARGS:
   2
   3 import std.stdio;
   4
   5 int a(int k, lazy int x1, lazy int x2, lazy int x3, lazy int x4, lazy int x5)
   6 {
   7     int delegate() b;
   8     b = { k -= 1; return a(k, b(), x1, x2, x3, x4); };
   9     if (k <= 0)
  10         return x4 + x5;
  11     else
  12         return b();
  13 }
  14
  15 int main()
  16 {
  17     assert(a(10, 1, -1, -1, 1, 0) == -67);
  18     return 0;
  19 }
  20