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//+build go1.8,!go1.10
package shuffle
import (
"math/rand"
"reflect"
)
// Slice shuffles the slice.
func Slice(slice interface{}) {
rv := reflect.ValueOf(slice)
swap := reflect.Swapper(slice)
n := rv.Len()
for i := n - 1; i >= 0; i-- {
j := rand.Intn(i + 1)
swap(i, j)
}
}
// Slice shuffles the slice.
func (s *Shuffler) Slice(slice Interface) {
rv := reflect.ValueOf(slice)
swap := reflect.Swapper(slice)
n := rv.Len()
for i := n - 1; i >= 0; i-- {
j := (*rand.Rand)(s).Intn(i + 1)
swap(i, j)
}
}
|
