Programming-Idioms

Edit summary for version 17 by :
[Go] +DocURL to rand.NewSource

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2015-12-30, 17:04:22

2015-12-30, 17:06:41

Idiom #70 Use clock as random generator seed

Get the current date and provide it as a seed to a random generator. The generator sequence will be different at each run.

Get the current date and provide it as a seed to a random generator. The generator sequence will be different at each run.

import (
	"math/rand"
	"time"
)

import (
	"math/rand"
	"time"
)

r := rand.New(rand.NewSource(time.Now().UnixNano()))

r := rand.New(rand.NewSource(time.Now().UnixNano()))

r is of type *rand.Rand.

r is of type *rand.Rand.

https://golang.org/pkg/math/rand/#NewSource

http://play.golang.org/p/o1XU6brwr7

http://play.golang.org/p/o1XU6brwr7

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