From 5e755e9d6d9d5ab1268dc7c2d18a08b543d988c9 Mon Sep 17 00:00:00 2001
From: Erin Masatsugu <erin.masatsugu@gmail.com>
Date: Thu, 30 Aug 2018 18:27:07 +0000
Subject: [PATCH] bytes: add example for Buffer.Len

Change-Id: Ide50aba940727a7b32cd33dea5315050f1a34717
Reviewed-on: https://go-review.googlesource.com/132237
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
 src/bytes/example_test.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/bytes/example_test.go b/src/bytes/example_test.go
index 5b7a46058f..4d5cdfa280 100644
--- a/src/bytes/example_test.go
+++ b/src/bytes/example_test.go
@@ -39,6 +39,14 @@ func ExampleBuffer_Grow() {
 	// Output: "64 bytes or fewer"
 }
 
+func ExampleBuffer_Len() {
+	var b bytes.Buffer
+	b.Grow(64)
+	b.Write([]byte("abcde"))
+	fmt.Printf("%d", b.Len())
+	// Output: 5
+}
+
 func ExampleCompare() {
 	// Interpret Compare's result by comparing it to zero.
 	var a, b []byte
-- 
2.50.0