...lea         rsp,[rbp]
  0057: pop         rbp
  0058: ret

_D7irange213__T6irangeTiZ6irange5emptyMFZb:
  0000: push        rbp
  0001: mov...

...ecx, %ecx
        leaq    __ZZ5frontPKcE4mask(%rip), %rdx
        pextl   (%rdx,%rcx,4), %eax, %eax
        popq    %rbp
        ret

...possible to define two functions with just ret type difference. Or is there a way...

Nice! Why assert(ret != 0)?

Andrei

...rbp]
  000000000000004A: 5D                 pop         rbp
  000000000000004B: C3                 ret
  000000000000004C: 48 83 EC 08        sub         rsp...

...S;

S ret_f1();     // ok: fails
S[] ret_f2();   // should fail
S[1] ret_f4...

...15:21:38 PDT ---
-----
struct Opaque;

Opaque ret_func();  // ok: error

void void_func(Opaque...

...system"); }
   Screen renameSelect() {
      auto ret = new Screen("Select system");
      void addItem() { ret.addOption(&renameName); }  /* Removing...

...fstp	%st(0)
	xorl	%eax, %eax
	leave
	ret

--------------------------

LDC2 asm:

__Dmain:
	pushl	%esi
	subl	$24...

...foo(int[2] a, int[3] b) {
    int[5] ret;
    ret[] = a ~ b;
    return ret;
}