testing: trim spaces before comparing example output

bytes: add two Buffer examples

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5490048

1 files changed, 24 insertions, 0 deletions

diff --git a/src/pkg/bytes/example_test.go b/src/pkg/bytes/example_test.go
new file mode 100644
index 0000000000..02da1ac082
--- /dev/null
+++ b/src/pkg/bytes/example_test.go
@@ -0,0 +1,24 @@
+package bytes_test
+
+import (
+	. "bytes"
+	"encoding/base64"
+	"io"
+	"os"
+)
+
+// Hello world!
+func ExampleBuffer() {
+	var b Buffer // A Buffer needs no initialization.
+	b.Write([]byte("Hello "))
+	b.Write([]byte("world!"))
+	b.WriteTo(os.Stdout)
+}
+
+// Gophers rule!
+func ExampleBuffer_reader() {
+	// A Buffer can turn a string or a []byte into an io.Reader.
+	buf := NewBufferString("R29waGVycyBydWxlIQ==")
+	dec := base64.NewDecoder(base64.StdEncoding, buf)
+	io.Copy(os.Stdout, dec)
+}