Go Package rand: Difference between revisions

From NovaOrdis Knowledge Base
Jump to navigation Jump to search
 
Line 23: Line 23:
=<tt>rand.NewSource()</tt>=
=<tt>rand.NewSource()</tt>=
=<tt>rand.Intn()</tt>=
=<tt>rand.Intn()</tt>=
Generate a random number between 0 and the given argument:
Generate a random number between 0 and the given argument. The following example will randomly generate 0, 1, 2, 3 and 4.
<syntaxhighlight lang='go'>
<syntaxhighlight lang='go'>
i := rand.Intn(5)
i := rand.Intn(5)
</syntaxhighlight>
</syntaxhighlight>

Latest revision as of 22:31, 2 October 2023

Internal

Overview

The package math/rand.

rand.New()

Generating a new random integer:

import (
  "math/rand"
  "time"
)

i := rand.New(rand.NewSource(time.Now().UnixNano())).Int()

Result: 8003690372325233432

rand.NewSource()

rand.Intn()

Generate a random number between 0 and the given argument. The following example will randomly generate 0, 1, 2, 3 and 4.

i := rand.Intn(5)