////////////////////////////////////////////////////////////
//~ Uid types

Struct(Uid)
{
    u64 hi;
    u64 lo;
};

////////////////////////////////////////////////////////////
//~ Uid operations

#define UID(hi64, lo64) ((Uid) { .hi = (hi64), .lo = (lo64) })

Uid UidFromTrueRand(void);
Uid CombineUid(Uid a, Uid b);

Inline b32 EqUid(Uid a, Uid b) { return a.hi == b.hi && a.lo == b.lo; }
Inline b32 IsUidZero(Uid v) { return v.hi == 0 && v.lo == 0; }