Make "`aa[key]`" use the same runtime call as "`key in aa`". The runtime calls these were using were different, but with equivalent definitions. With `ldc -O3`, the following functions now all compile to the exact same code: {{{ int[int] y; void foo(int x) { if (x in y) { auto z = x in y; sink(*z); } } void bar(int x) { if (x in y) { sink(y[x]); } } void baz(int x) { if (auto p = x in y) { sink(*p); } } }}}

module mini.foreach9;
extern(C) int printf(char* str, ...);

struct array2d(T) {
  int test() {
    printf("%p\n", cast(void*) this);
    foreach (x; *this) {
      printf("%p\n", cast(void*) this);
    }
    return true;
  }
  int opApply(int delegate(ref int) dg) {
    int x;
    return dg(x), 0;
  }
}

unittest {
  array2d!(int) test;
  test.test();
  //int i = 0; i /= i;
}

void main() { }