kubernetes/staging/src/k8s.io/apimachinery/pkg/util/rand/rand.go

var rng …

// Int returns a non-negative pseudo-random int.
func Int() int { … }

// Intn generates an integer in range [0,max).
// By design this should panic if input is invalid, <= 0.
func Intn(max int) int { … }

// IntnRange generates an integer in range [min,max).
// By design this should panic if input is invalid, <= 0.
func IntnRange(min, max int) int { … }

// IntnRange generates an int64 integer in range [min,max).
// By design this should panic if input is invalid, <= 0.
func Int63nRange(min, max int64) int64 { … }

// Seed seeds the rng with the provided seed.
func Seed(seed int64) { … }

// Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n)
// from the default Source.
func Perm(n int) []int { … }

const alphanums …

const alphanumsIdxBits …

const alphanumsIdxMask …

const maxAlphanumsPerInt …

// String generates a random alphanumeric string, without vowels, which is n
// characters long.  This will panic if n is less than zero.
// How the random string is created:
// - we generate random int63's
// - from each int63, we are extracting multiple random letters by bit-shifting and masking
// - if some index is out of range of alphanums we neglect it (unlikely to happen multiple times in a row)
func String(n int) string { … }

// SafeEncodeString encodes s using the same characters as rand.String. This reduces the chances of bad words and
// ensures that strings generated from hash functions appear consistent throughout the API.
func SafeEncodeString(s string) string { … }