常用经典哈希函数Go语言实现，提供uint32及uint64类型的哈希函数。
使用方式：
import "github.com/gogf/gf/v2/encoding/ghash"
接口文档：
https://pkg.go.dev/github.com/gogf/gf/v2/encoding/ghash
基准测试：
goos: darwin goarch: amd64 pkg: github.com/gogf/gf/v2/encoding/ghash cpu: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz Benchmark_BKDR Benchmark_BKDR-12 39315165 26.88 ns/op Benchmark_BKDR64 Benchmark_BKDR64-12 62891215 22.61 ns/op Benchmark_SDBM Benchmark_SDBM-12 49689925 25.40 ns/op Benchmark_SDBM64 Benchmark_SDBM64-12 48860472 24.38 ns/op Benchmark_RS Benchmark_RS-12 39463418 25.52 ns/op Benchmark_SRS64 Benchmark_SRS64-12 53318370 19.45 ns/op Benchmark_JS Benchmark_JS-12 53751033 23.20 ns/op Benchmark_JS64 Benchmark_JS64-12 62440287 19.25 ns/op Benchmark_PJW Benchmark_PJW-12 42439626 27.85 ns/op Benchmark_PJW64 Benchmark_PJW64-12 37491696 33.28 ns/op Benchmark_ELF Benchmark_ELF-12 38034584 31.74 ns/op Benchmark_ELF64 Benchmark_ELF64-12 44047201 27.58 ns/op Benchmark_DJB Benchmark_DJB-12 46994352 22.60 ns/op Benchmark_DJB64 Benchmark_DJB64-12 61980186 19.19 ns/op Benchmark_AP Benchmark_AP-12 29544234 40.58 ns/op Benchmark_AP64 Benchmark_AP64-12 28123783 42.48 ns/op