#var exprDebug 1

x=3, !3, !!3, -3, --3, ~3, ~~3, 3?, 3??
# $(x) should be: 3, 0, 1, -3, 3, -4, 3, 1, 1

x=x, !x, !!x, -x, --x, ~x, ~~x, x?, x??
# $(x) should be: x, !x, !!x, -x, --x, ~x, ~~x, x?, x??

x=10+3, 10-3, 10*3, 10/3, 10%3, 10**3
# $(x) should be: 13, 7, 30, 3, 1, 1000

x=7**-2 7**-1 7**0 7**1 7**2 7**3 7**4 7**5 7**6
# $(x) should be: 0 0 1 7 49 343 2401 16807 117649

x=%x -10<<2, %x -10>>2, %x -10>>>2 
# $(x) should be: ffffffffffffffd8, fffffffffffffffd, 3ffffffffffffffd

x=%x 0xaa & 0x0f, %x 0xaa | 0x0f, %x 0xaa ^ 0x0f
# $(x) should be: a, af, a5

x=10<20 10<=20 10==20 10>=20 10>20 10<=>20 10<?20 10>?20 10?<20 10?>20
# $(x) should be: 1 1 0 0 0 -1 10 20 1 0

x=20<20 20<=20 20==20 20>=20 20>20 20<=>20 20<?20 20>?20 20?<20 20?>20
# $(x) should be: 0 1 1 1 0 0 20 20 1 0

x=20<10 20<=10 20==10 20>=10 20>10 20<=>10 20<?10 20>?10 20?<10 20?>10
# $(x) should be: 0 0 0 1 1 1 10 20 1 0

x= (0|0)(0|1)(1|0)(1|1) (0&0)(0&1)(1&0)(1&1) (0^0)(0^1)(1^0)(1^1) 
# $(x) should be: 0111 0001 0110

x=1*2*3+4*5*6-7-8
# $(x) should be: 111

x=1*2*3+4*5*6-7*8
# $(x) should be: 70

x=-3**2+1, -(3**2)+1, (-3)**2+1, -3**-2+1, (1+2), (1+2, 1+2)
# $(x) should be: 10, -8, 10, 1, 3, (1+2, 3)

x=%#X 0x5555&0xfff0|0xaf<<8^0xa00a0>>4
# $(x) should be: 0X5F5A

x=7+4*2|32
# $(x) should be: 47

x=3<5 ? 7+4*2|32 : 9 & 10
# $(x) should be: 47

x=3>5 ? 7+4*2|32 : 9 & 10
# $(x) should be: 8

x=7 ?: -1
# $(x) should be: 7

x=0 ?: -1
# $(x) should be: -1

x=7 ? -1
# $(x) should be: -1

x=0 ? -1
# $(x) should be: 0

x=1+0?7?1:2:3?4:5
# $(x) should be: 1

x=1+0?0?1:2:3?4:5
# $(x) should be: 2

x=1-1?0?1:2:3?4:5
# $(x) should be: 4

x=1-1?0?1:2:3-3?4:5
# $(x) should be: 5

x=0?; 1?; 2?; -4?; 3?+1
# $(x) should be: 0; 1; 1; 1; 4

x=a030b a(030)b a( 030 )b "a"030"b" a(%x 030)b
# $(x) should be: a030b a24b a24b a24b a18b

x=030b (030)b ( 030 )b 030"b" %x 030'b'
# $(x) should be: 030b 24b 24b 24b 18b

x=-0bla -0.1
# $(x) should be: -0bla -0.1

x=-2**2 0-2**2 0+-2**2 0--2**2
# $(x) should be: 4 -4 4 -4

x=
y=$(x)
# <$(x)><$(y)> should be: <><>