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package fasthash
import (
"encoding/binary"
"hash"
)
// HashString64 makes a hashing function from the hashing algorithm returned by f.
func HashString64(f func() hash.Hash64) func(string) uint64 {
return func(s string) uint64 {
h := f()
h.Write([]byte(s))
return h.Sum64()
}
}
// HashBytes64 makes a hashing function from the hashing algorithm returned by f.
func HashBytes64(f func() hash.Hash64) func([]byte) uint64 {
return func(b []byte) uint64 {
h := f()
h.Write(b)
return h.Sum64()
}
}
// HashUint64 makes a hashing function from the hashing algorithm return by f.
func HashUint64(f func() hash.Hash64) func(uint64) uint64 {
return func(u uint64) uint64 {
b := [8]byte{}
binary.BigEndian.PutUint64(b[:], u)
h := f()
h.Write(b[:])
return h.Sum64()
}
}
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