Key struct, acts as a 'ucent'/'cent' surrogate, using two 64-bit integer values as a combined 128-bit key.
Compares this instance with rhs.
false if 'uint' is the type of hi (below) or true if it is 'int'.
hi: Carries the higher 64 bits of the key.
lo: Carries the lower 64 bits of the key.
See Implementation
Key struct, acts as a 'ucent'/'cent' surrogate, using two 64-bit integer values as a combined 128-bit key.