oper -  __neg prefix      30
oper *  __pnt prefix      60

oper == __eq  infix none  20
oper != __ne  infix none  20
oper <  __lt  infix none  20
oper >  __gt  infix none  20
oper <= __le  infix none  20
oper >= __ge  infix none  20

oper +  __add infix left  30
oper -  __sub infix left  30
oper *  __mul infix left  40
oper /  __div infix left  40
oper %  __mod infix left  40

# Nobody likes low-precedence & |
oper &  __and infix none  35
oper |  __or  infix none  35
oper ^  __xor infix none  35
oper ~  __not prefix      50

# Shifts are like multiply/divide and should have the same precedence
oper << __shl infix left  40
oper >> __shr infix left  40