#define __Expand1(x) x(1)
#define __Expand2(x)  __Expand1(x) x(2)
#define __Expand3(x)  __Expand2(x) x(3)
#define __Expand4(x)  __Expand3(x) x(4)
#define __Expand5(x)  __Expand4(x) x(5)
#define __Expand6(x)  __Expand5(x) x(6)
#define __Expand7(x)  __Expand6(x) x(7)
#define __Expand8(x)  __Expand7(x) x(8)
#define __Expand9(x)  __Expand8(x) x(9)
#define __Expand10(x) __Expand9(x) x(10)
#define __Expand11(x) __Expand10(x) x(11)
#define __Expand12(x) __Expand11(x) x(12)
#define __Expand13(x) __Expand12(x) x(13)
#define __Expand14(x) __Expand13(x) x(14)
#define __Expand15(x) __Expand14(x) x(15)
#define __Expand16(x) __Expand15(x) x(16)
#define __Expand17(x) __Expand16(x) x(17)
#define __Expand18(x) __Expand17(x) x(18)
#define __Expand19(x) __Expand18(x) x(19)
#define __Expand20(x) __Expand19(x) x(20)
#define __Expand21(x) __Expand20(x) x(21)
#define __Expand22(x) __Expand21(x) x(22)
#define __Expand23(x) __Expand22(x) x(23)
#define __Expand24(x) __Expand23(x) x(24)
#define __Expand25(x) __Expand24(x) x(25)
#define __Expand26(x) __Expand25(x) x(26)
#define __Expand27(x) __Expand26(x) x(27)
#define __Expand28(x) __Expand27(x) x(28)
#define __Expand29(x) __Expand28(x) x(29)
#define __Expand30(x) __Expand29(x) x(30)
#define __Expand31(x) __Expand30(x) x(31)
#define __Expand32(x) __Expand31(x) x(32)
#define __Expand33(x) __Expand32(x) x(33)
#define __Expand34(x) __Expand33(x) x(34)
#define __Expand35(x) __Expand34(x) x(35)
#define __Expand36(x) __Expand35(x) x(36)
#define __Expand37(x) __Expand36(x) x(37)
#define __Expand38(x) __Expand37(x) x(38)
#define __Expand39(x) __Expand38(x) x(39)
#define __Expand40(x) __Expand39(x) x(40)

#define __Expand(x)   __Expand40(x)

#define __List1(x) x(1)
#define __List2(x)  __List1(x), x(2)
#define __List3(x)  __List2(x), x(3)
#define __List4(x)  __List3(x), x(4)
#define __List5(x)  __List4(x), x(5)
#define __List6(x)  __List5(x), x(6)
#define __List7(x)  __List6(x), x(7)
#define __List8(x)  __List7(x), x(8)
#define __List9(x)  __List8(x), x(9)
#define __List10(x) __List9(x), x(10)
#define __List11(x) __List10(x), x(11)
#define __List12(x) __List11(x), x(12)
#define __List13(x) __List12(x), x(13)
#define __List14(x) __List13(x), x(14)
#define __List15(x) __List14(x), x(15)
#define __List16(x) __List15(x), x(16)
#define __List17(x) __List16(x), x(17)
#define __List18(x) __List17(x), x(18)
#define __List19(x) __List18(x), x(19)
#define __List20(x) __List19(x), x(20)
#define __List21(x) __List20(x), x(21)
#define __List22(x) __List21(x), x(22)
#define __List23(x) __List22(x), x(23)
#define __List24(x) __List23(x), x(24)
#define __List25(x) __List24(x), x(25)
#define __List26(x) __List25(x), x(26)
#define __List27(x) __List26(x), x(27)
#define __List28(x) __List27(x), x(28)
#define __List29(x) __List28(x), x(29)
#define __List30(x) __List29(x), x(30)
#define __List31(x) __List30(x), x(31)
#define __List32(x) __List31(x), x(32)
#define __List33(x) __List32(x), x(33)
#define __List34(x) __List33(x), x(34)
#define __List35(x) __List34(x), x(35)
#define __List36(x) __List35(x), x(36)
#define __List37(x) __List36(x), x(37)
#define __List38(x) __List37(x), x(38)
#define __List39(x) __List38(x), x(39)
#define __List40(x) __List39(x), x(40)

#define E__p(I)       p##I

#define ASSTRING_(x)  #x
#define ASSTRING(x)   ASSTRING_(x)

#define COMBINE__(a, b)            a##b
#define COMBINE(a, b)              COMBINE__(a, b)

#define COMBINE3__(a, b, c)        a##b##c
#define COMBINE3(a, b, c)          COMBINE3__(a, b, c)

#define COMBINE4__(a, b, c, d)     a##b##c##d
#define COMBINE4(a, b, c, d)       COMBINE4__(a, b, c, d)

#define COMBINE5__(a, b, c, d, e)  a##b##c##d##e
#define COMBINE5(a, b, c, d, e)    COMBINE5__(a, b, c, d, e)

#define E__NFValue(I)  const Value& COMBINE(p, I)
#define E__NFBody(I)   String Format(const char *fmt, __List##I(E__NFValue));

__Expand2(E__NFBody)

ASSTRING(Just a test)

COMBINE(aaaa, bbbb)


#define TEST(x, y) %x%y%
#define TESTS(x)   #x
#define TEST2(x, y)   x ## y
#define TEST4 alfa x ## y.r #hahaha
#define TESTX x
#define TESTY haha
#define TESTZ haha

TEST('\1', "\2")
TEST(  1     +1 , 3    )
TEST(  "1" "2" ",", ',')
TESTS(a)
TESTS(a x y)
TESTS("A")
TEST2(a, 3)
TEST2(3, a)
TEST2(a, #)
TEST2(a, "X")
TEST2("Y", "X")
TESTX
TESTY
TESTZ
TEST4

#define pow2(x) (x) * (x)
#define dist(a, b)   pow2(a.x - b.x) + pow2(a.y - b.y)

dist(x, y);

#define __countof(a)          int(sizeof(a) / sizeof(a[0]))
