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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/crypto/rand/example_test.go
parentInitial commit. (diff)
downloadgolang-1.20-upstream.tar.xz
golang-1.20-upstream.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crypto/rand/example_test.go')
-rw-r--r--src/crypto/rand/example_test.go28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/crypto/rand/example_test.go b/src/crypto/rand/example_test.go
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+++ b/src/crypto/rand/example_test.go
@@ -0,0 +1,28 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package rand_test
+
+import (
+ "bytes"
+ "crypto/rand"
+ "fmt"
+)
+
+// This example reads 10 cryptographically secure pseudorandom numbers from
+// rand.Reader and writes them to a byte slice.
+func ExampleRead() {
+ c := 10
+ b := make([]byte, c)
+ _, err := rand.Read(b)
+ if err != nil {
+ fmt.Println("error:", err)
+ return
+ }
+ // The slice should now contain random bytes instead of only zeroes.
+ fmt.Println(bytes.Equal(b, make([]byte, c)))
+
+ // Output:
+ // false
+}