template <int a = 2, int b = 2, int c = 2, int d = 2, int e = 2, int f = 2, int g = 2, int h = 2>
struct Bin {
	 enum {
		v = (h != 2) ? ((((((a * 2 + b) * 2 + c) * 2 + d) * 2 + e) * 2 + f) * 2 + g) * 2 + h
		  : (g != 2) ?  (((((a * 2 + b) * 2 + c) * 2 + d) * 2 + e) * 2 + f) * 2 + g
		  : (f != 2) ?   ((((a * 2 + b) * 2 + c) * 2 + d) * 2 + e) * 2 + f
		  : (e != 2) ?    (((a * 2 + b) * 2 + c) * 2 + d) * 2 + e
		  : (d != 2) ?     ((a * 2 + b) * 2 + c) * 2 + d
		  : (c != 2) ?      (a * 2 + b) * 2 + c
		  : (b != 2) ?       a * 2 + b
		  : (a != 2) ?       a
		  : 0
	}; 
};

void test()
{
	int n000 = Bin<                      >::v;
	int n001 = Bin<                     1>::v;
	int n002 = Bin<                  1, 0>::v;
	int n005 = Bin<               1, 0, 1>::v;
	int n010 = Bin<            1, 0, 1, 0>::v;
	int n021 = Bin<         1, 0, 1, 0, 1>::v;
	int n042 = Bin<      1, 0, 1, 0, 1, 0>::v;
	int n085 = Bin<   1, 0, 1, 0, 1, 0, 1>::v;
	int n170 = Bin<1, 0, 1, 0, 1, 0, 1, 0>::v;
}

/*
   コンパイル結果の一部
  定数はコンパイル時に計算されてました。
*/

?test@@YAXXZ PROC NEAR					; test
; File c:\src\cons\dk98.cpp
; Line 17
	push	ebp
	mov	ebp, esp
	sub	esp, 36					; 00000024H
; Line 18
	mov	DWORD PTR _n000$[ebp], 0
; Line 19
	mov	DWORD PTR _n001$[ebp], 1
; Line 20
	mov	DWORD PTR _n002$[ebp], 2
; Line 21
	mov	DWORD PTR _n005$[ebp], 5
; Line 22
	mov	DWORD PTR _n010$[ebp], 10		; 0000000aH
; Line 23
	mov	DWORD PTR _n021$[ebp], 21		; 00000015H
; Line 24
	mov	DWORD PTR _n042$[ebp], 42		; 0000002aH
; Line 25
	mov	DWORD PTR _n085$[ebp], 85		; 00000055H
; Line 26
	mov	DWORD PTR _n170$[ebp], 170		; 000000aaH
; Line 27
	mov	esp, ebp
	pop	ebp
	ret	0
?test@@YAXXZ ENDP					; test