rand

package

v1.13.0 Latest Latest Go to latest Published: Sep 30, 2025 License: Apache-2.0 Imports: 2 Imported by: 9

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Valid go.mod file
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Repository

github.com/coredns/coredns

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Documentation ¶

Overview ¶

Package rand is used for concurrency safe random number generator. This package provides a thread-safe wrapper around math/rand for use in load balancing and server selection. It is NOT suitable for cryptographic purposes and should not be used for security-sensitive operations.

Index ¶

type Rand
- func New(seed int64) *Rand
- func (r *Rand) Int() int
- func (r *Rand) Perm(n int) []int

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Rand ¶

type Rand struct {
	// contains filtered or unexported fields
}

Rand is used for concurrency safe random number generator.

func New ¶

func New(seed int64) *Rand

New returns a new Rand from seed.

func (*Rand) Int ¶

func (r *Rand) Int() int

Int returns a non-negative pseudo-random int from the Source in Rand.r.

func (*Rand) Perm ¶

func (r *Rand) Perm(n int) []int

Perm returns, as a slice of n ints, a pseudo-random permutation of the integers in the half-open interval [0,n) from the Source in Rand.r.

Source Files ¶

View all Source files

rand.go

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