68 lines
950 B
Go
68 lines
950 B
Go
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package xrand
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import (
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"math/rand"
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"time"
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)
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func init() {
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rand.New(rand.NewSource(time.Now().UnixNano()))
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}
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var Int = rand.Int
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func Intn(n int) int {
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return rand.Intn(n)
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}
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func Int31() int32 {
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return rand.Int31()
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}
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func Int31n(n int32) int32 {
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return rand.Int31n(n)
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}
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func Int63() int64 {
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return rand.Int63()
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}
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func Int63n(n int64) int64 {
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return rand.Int63n(n)
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}
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func Uint32() uint32 {
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return rand.Uint32()
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}
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func Uint64() uint64 {
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return rand.Uint64()
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}
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func Float32() float32 {
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return rand.Float32()
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}
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func Float64() float64 {
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return rand.Float64()
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}
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func Perm(n int) []int {
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return rand.Perm(n)
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}
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func Read(p []byte) (n int, err error) {
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return rand.Read(p)
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}
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func Shuffle[T any](slice []T) {
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rand.Shuffle(len(slice), func(i, j int) {
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slice[i], slice[j] = slice[j], slice[i]
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})
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}
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// RandomInt64 随机生成一个[min, max]之间的整数
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func RandomInt64(min, max int64) int64 {
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return Int63n(max-min) + min
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}
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