Bit tag. PAWN

#include <a_samp>

stock Bit:operator+(Bit:val1, Bit:val2)
{
    return val1 | val2;
}

stock Bit:operator-(Bit:val1, Bit:val2)
{
    return val1 & ~val2;
}

stock bool:operator==(Bit:val1, Bit:val2)
{
    return bool:(val1 & val2);
}

stock bool:operator!=(Bit:val1, Bit:val2)
{
    return !(val1 & val2);
}

enum Bit ( <<=1 )
{
    NONE,
    ONE = 1,
    TWO,
    THREE,
}

public OnFilterScriptInit()
{
    new Bit:MyFirstBit = Bit:NONE;

    MyFirstBit += Bit:ONE;
    MyFirstBit += Bit:TWO;
    MyFirstBit += Bit:FREE;

    MyFirstBit -= Bit:ONE;

    printf("%b", _:MyFirstBit);

    return 1;
}