_content/blog/range-functions: trim tailing newline in bytes.Split ex…

…ample Otherwise we get a trailing blank line, which is not what we want. Pointed out by dmitshur in CL 611655. Change-Id: I6c2c0cbc6e19c06d392ce6e6fd108163020bd124 Reviewed-on: https://go-review.googlesource.com/c/website/+/610565 Commit-Queue: Ian Lance Taylor <[email protected]> LUCI-TryBot-Result: Go LUCI <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Auto-Submit: Ian Lance Taylor <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
golang · Sep 9, 2024 · f37ae6b · f37ae6b
1 parent 4150b91
commit f37ae6b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/_content/blog/range-functions.md b/_content/blog/range-functions.md
@@ -706,7 +706,9 @@ the lines in a byte slice.
 This is easy to write and fairly efficient.
 
 ```
-	for _, line := range bytes.Split(data, []byte{'\n'}) {
+	nl := []byte{'\n'}
+	// Trim a trailing newline to avoid a final empty blank line.
+	for _, line := range bytes.Split(bytes.TrimSuffix(data, nl), nl) {
 		handleLine(line)
 	}
 ```