Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

rand

package

Go to main page

Versions in this module

v1

v1.10.11

Oct 31, 2022

v1.10.10

Oct 31, 2022

v1.10.9

Oct 31, 2022

v1.10.8

Oct 31, 2022

v1.10.7

Oct 31, 2022

v1.10.6

Oct 31, 2022

v1.10.5

Oct 31, 2022

v1.10.4

Oct 31, 2022

v1.10.3

Oct 28, 2022

Changes in this version

+ func Add64(x, y, carry uint64) (sum, carryOut uint64)

+ func ExpFloat64() float64

+ func Float32() float32

+ func Float64() float64

+ func Int() int

+ func Int31() int32

+ func Int31n(n int32) int32

+ func Int63() int64

+ func Int63n(n int64) int64

+ func Intn(n int) int

+ func Mul64(x, y uint64) (hi, lo uint64)

+ func NormFloat64() float64

+ func Perm(n int) []int

+ func Read(p []byte) (n int, err error)

+ func Seed(seed uint64)

+ func Shuffle(n int, swap func(i, j int))

+ func Uint32() uint32

+ func Uint64() uint64

+ type LockedSource struct

+ func (s *LockedSource) Read(p []byte, readVal *uint64, readPos *int8) (n int, err error)

+ func (s *LockedSource) Seed(seed uint64)

+ func (s *LockedSource) Uint64() (n uint64)

+ type PCGSource struct

+ func (pcg *PCGSource) MarshalBinary() ([]byte, error)

+ func (pcg *PCGSource) Seed(seed uint64)

+ func (pcg *PCGSource) Uint64() uint64

+ func (pcg *PCGSource) UnmarshalBinary(data []byte) error

+ type Rand struct

+ func New(src Source) *Rand

+ func (r *Rand) ExpFloat64() float64

+ func (r *Rand) Float32() float32

+ func (r *Rand) Float64() float64

+ func (r *Rand) Int() int

+ func (r *Rand) Int31() int32

+ func (r *Rand) Int31n(n int32) int32

+ func (r *Rand) Int63() int64

+ func (r *Rand) Int63n(n int64) int64

+ func (r *Rand) Intn(n int) int

+ func (r *Rand) NormFloat64() float64

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

+ func (r *Rand) Read(p []byte) (n int, err error)

+ func (r *Rand) Seed(seed uint64)

+ func (r *Rand) Shuffle(n int, swap func(i, j int))

+ func (r *Rand) Uint32() uint32

+ func (r *Rand) Uint64() uint64

+ func (r *Rand) Uint64n(n uint64) uint64

+ type Source interface

+ Seed func(seed uint64)

+ Uint64 func() uint64

+ func NewSource(seed uint64) Source