lift Clone constraint on type H #21
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Hello,
I noticed that HLL and HLL+ implements
Cloneusing derive. Default compiler implementation requires thatHimplementsCloneforHyperLogLogPF<H, B>andHyperLogLogPlus<H, B>. This is unnecessary since only hashes are used and typeHis merely used as type check.This PR lifts the
Cloneconstraint on typeHby implementClonemannually rather than using derive.It is useful when working with types like
HyperLogLogPF<str>.