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author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
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committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/crypto/rand/example_test.go | |
parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
download | golang-f154da9e12608589e8d5f0508f908a0c3e88a1bb.tar.gz |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/crypto/rand/example_test.go')
-rw-r--r-- | src/crypto/rand/example_test.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/crypto/rand/example_test.go b/src/crypto/rand/example_test.go new file mode 100644 index 000000000..8a2717300 --- /dev/null +++ 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 +} |