gcc/testsuite/gdc.test/runnable/imports/ice10857a.d

   1 module imports.ice10857a;
   2
   3 template filter(alias pred)
   4 {
   5     auto filter(Range)(Range rs)
   6     {
   7         return FilterResult!(pred, Range)(rs);
   8     }
   9 }
  10
  11 private struct FilterResult(alias pred, R)
  12 {
  13     R _input;
  14
  15     void popFront()
  16     {
  17         assert(pred(_input[0]) == 123);
  18     }
  19 }