// #dont_run
A :: 0b1;
B :: <<;
C :: <<;


D :: 0b10000;
E :: <<;

#static_assert(A == 0b1);
#static_assert(B == 0b10);
#static_assert(C == 0b100);
#static_assert(D == 0b10000);
#static_assert(E == 0b100000);