Examples using... "math/rand"

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Shuffle List in Go

by yhuang Go math/rand fmt.Println fmt rand.Intn rand.Seed

by GoDoc Go math/rand fmt fmt.Fprintf os os.Stdout

This example shows the use of each of the methods on a *Rand. The use of the global functions is the same, without the receiver.

Using math/rand in Go

by GoDoc Go math/rand fmt fmt.Println rand.Intn rand.Seed

Package rand implements pseudo-random number generators.

Shuffle (SlicesInUnison) in Go

by GoDoc Go math/rand fmt fmt.Printf rand.Shuffle

Shuffle pseudo-randomizes the order of elements using the default Source. n is the number of elements. Shuffle panics if n < 0. swap swaps the elements with indexes i and j.

Shuffle in Go

by GoDoc Go math/rand fmt fmt.Println rand.Shuffle strings

Shuffle pseudo-randomizes the order of elements using the default Source. n is the number of elements. Shuffle panics if n < 0. swap swaps the elements with indexes i and j.

Perm in Go

by GoDoc Go math/rand fmt fmt.Println rand.Perm

Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n) from the default Source.

Intn in Go

by GoDoc Go math/rand fmt.Println rand.Intn fmt rand.Seed

Intn returns, as an int, a non-negative pseudo-random number in [0,n) from the default Source. It panics if n <= 0.

Create a Random String in Go

by yhuang Go math/rand fmt fmt.Println rand.New rand.NewSource

Generate Random Numbers in Go

by yhuang Go math/rand fmt.Print fmt.Println rand.Float64 rand.New

Go’s math/rand package provides pseudorandom number generation.

Synchronized Data Access in Go

by yhuang Go math/rand rand.Intn time.Sleep atomic.AddUint64 atomic.LoadUint64

Here we use the built-in synchronization features of goroutines and channels to achieve synchronized access to shared state. This channel-based approach aligns with Go’s ideas of sharing memory by communicating and having each piece of data owned by exactly 1 goroutine.

Mutex Lock in Go

by yhuang Go math/rand fmt.Println rand.Intn time.Sleep atomic.AddUint64