portable provisional fox@ucw.cz The class containing a function # which computes the hash values of  given value.  The computed 4 value should be as collision-free as possible, the  probability of  a ==  b should ideally be 1 over the & number of representable values in an .  Combines two given hash values.  hashable-1.0.0 Data.HashableHashablehashcombinehashByteStringghc-prim GHC.TypesInthashAndCombine