From: Andrzej Żeżel <andrii.zhezhel@gmail.com>
Date: Sat, 16 Sep 2017 14:58:10 +0000 (+0200)
Subject: bytes: add example for Len function of Reader
X-Git-Tag: go1.10beta1~1085
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=de25b12d9f1aeea5fda59d98fb1084aeda2967a1;p=gostls13.git

bytes: add example for Len function of Reader

Change-Id: If7ecdc57f190f647bfc673bde8e66b4ef12aa906
Reviewed-on: https://go-review.googlesource.com/64190
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
---

diff --git a/src/bytes/example_test.go b/src/bytes/example_test.go
index a112c9a373..252be8c473 100644
--- a/src/bytes/example_test.go
+++ b/src/bytes/example_test.go
@@ -412,3 +412,13 @@ func ExampleToLower() {
 	fmt.Printf("%s", bytes.ToLower([]byte("Gopher")))
 	// Output: gopher
 }
+
+func ExampleReader_Len() {
+	fmt.Println(bytes.NewReader([]byte("")).Len())
+	fmt.Println(bytes.NewReader([]byte("Hi!")).Len())
+	fmt.Println(bytes.NewReader([]byte("Hello Gopher!")).Len())
+	// Output:
+	// 0
+	// 3
+	// 13
+}