Step 4 of 5
Flags
Bits make compact on/off switches. Give each flag its own bit:
#define HAS_HELMET (1u << 0)
#define HAS_KIT (1u << 1)
#define IS_SCOPED (1u << 2)
unsigned state = 0;
state |= HAS_KIT; // turn on
state &= ~HAS_KIT; // turn off
state ^= IS_SCOPED; // toggle
if (state & HAS_HELMET) {} // test
Your turn: fill in the operators.