mirror of
https://gitee.com/johng/gf.git
synced 2024-12-05 05:37:55 +08:00
21 lines
392 B
Go
21 lines
392 B
Go
package main
|
|
|
|
import (
|
|
"strconv"
|
|
"fmt"
|
|
"gitee.com/johng/gf/g/encoding/ghash"
|
|
)
|
|
|
|
func main () {
|
|
m := make(map[uint64]bool)
|
|
for i := 0; i < 100000000; i++ {
|
|
hash := ghash.BKDRHash64([]byte("key_" + strconv.Itoa(i)))
|
|
if _, ok := m[hash]; ok {
|
|
fmt.Printf("duplicated hash %d\n", hash)
|
|
} else {
|
|
m[hash] = true
|
|
}
|
|
}
|
|
}
|
|
|