mirror of
https://github.com/samber/lo.git
synced 2025-09-26 20:11:13 +08:00
1b92b5c7db
* lint: enable and fix perfsprint issues * lint: enable and fix nolintlint issues * lint: enable and fix godot issues * lint: enable and fix thelper issues * lint: enable and fix tparallel issues * lint: enable and fix paralleltest issues * lint: enable and fix predeclared issues
33 lines
728 B
Go
33 lines
728 B
Go
//go:build !go1.22
|
|
|
|
package rand
|
|
|
|
import "math/rand"
|
|
|
|
// Shuffle returns a slice of shuffled values. Uses the Fisher-Yates shuffle algorithm.
|
|
func Shuffle(n int, swap func(i, j int)) {
|
|
rand.Shuffle(n, swap)
|
|
}
|
|
|
|
// IntN returns, as an int, a pseudo-random number in the half-open interval [0,n)
|
|
// from the default Source.
|
|
// It panics if n <= 0.
|
|
func IntN(n int) int {
|
|
// bearer:disable go_gosec_crypto_weak_random
|
|
return rand.Intn(n)
|
|
}
|
|
|
|
// Int64 returns a non-negative pseudo-random 63-bit integer as an int64
|
|
// from the default Source.
|
|
func Int64() int64 {
|
|
// bearer:disable go_gosec_crypto_weak_random
|
|
n := rand.Int63()
|
|
|
|
// bearer:disable go_gosec_crypto_weak_random
|
|
if rand.Intn(2) == 0 {
|
|
return -n
|
|
}
|
|
|
|
return n
|
|
}
|