From 7a95f766d52d8749756ff3bef2b5ebc325a812cb Mon Sep 17 00:00:00 2001
From: Mario Fasold <fasold@googlemail.com>
Date: Thu, 14 Sep 2023 11:38:52 +0200
Subject: [PATCH] Update read_lines to flatten iterator

Clippy complains about manual flatten, see https://rust-lang.github.io/rust-clippy/master/index.html#/manual_flatten
---
 src/std_misc/file/read_lines.md | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/std_misc/file/read_lines.md b/src/std_misc/file/read_lines.md
index 216b0181c5..a6f330094e 100644
--- a/src/std_misc/file/read_lines.md
+++ b/src/std_misc/file/read_lines.md
@@ -56,10 +56,8 @@ fn main() {
     // File hosts.txt must exist in the current path
     if let Ok(lines) = read_lines("./hosts.txt") {
         // Consumes the iterator, returns an (Optional) String
-        for line in lines {
-            if let Ok(ip) = line {
-                println!("{}", ip);
-            }
+        for line in lines.flatten() {
+            println!("{}", line);
         }
     }
 }