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package slices
import (
"math/rand"
)
// Shuffle shuffles values in slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
func Shuffle[E any](a []E, src rand.Source) []E {
if len(a) < 2 {
return a
}
shuffle(src)(len(a), func(i, j int) {
a[i], a[j] = a[j], a[i]
})
return a
}
// ShuffleStrings shuffles values in string slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleStrings = Shuffle[string]
// ShuffleInts shuffles values in int slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleInts = Shuffle[int]
// ShuffleInt8s shuffles values in int8 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleInt8s = Shuffle[int8]
// ShuffleInt16s shuffles values in int16 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleInt16s = Shuffle[int16]
// ShuffleInt32s shuffles values in int32 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleInt32s = Shuffle[int32]
// ShuffleInt64s shuffles values in int64 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleInt64s = Shuffle[int64]
// ShuffleUints shuffles values in uint slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleUints = Shuffle[uint]
// ShuffleUint8s shuffles values in uint8 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleUint8s = Shuffle[uint8]
// ShuffleUint16s shuffles values in uint16 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleUint16s = Shuffle[uint16]
// ShuffleUint32s shuffles values in uint32 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleUint32s = Shuffle[uint32]
// ShuffleUint64s shuffles values in uint64 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleUint64s = Shuffle[uint64]
// ShuffleFloat32s shuffles values in float32 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleFloat32s = Shuffle[float32]
// ShuffleFloat64s shuffles values in float64 slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleFloat64s = Shuffle[float64]
// ShuffleBools shuffles values in bool slice using given or pseudo-random source.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Shuffle instead.
var ShuffleBools = Shuffle[bool]
func shuffle(src rand.Source) func(n int, swap func(i, j int)) {
shuf := rand.Shuffle
if src != nil {
shuf = rand.New(src).Shuffle
}
return shuf
}
|
