How a bool type variable is stored in memory? (C++)

Question

bool test;

sizeof(test) = 1 if using VS 2010. Since every C++ data type must be addressable, the \"test\" bool variable is 8-bits(1 byte).

My qu

Answer 1

Another possibility to have a variable of 1 bit, is to put into a bitfield struct:

struct {
    int a:1;
    int b:1;
};