From 04fb7f316efc3f841bc48bf5c86a955f5960d72d Mon Sep 17 00:00:00 2001
From: Lucas Garron <code@garron.net>
Date: Wed, 16 Oct 2024 19:37:22 -0700
Subject: [PATCH] `read_lines`: Use `. filter_map(Result::ok)` instead of
 `.flatten()`.

Clippy gives a warning when using `.flatten()`: https://rust-lang.github.io/rust-clippy/master/index.html#lines_filter_map_ok
---
 src/std_misc/file/read_lines.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/std_misc/file/read_lines.md b/src/std_misc/file/read_lines.md
index 7f186d4714..837bac3be7 100644
--- a/src/std_misc/file/read_lines.md
+++ b/src/std_misc/file/read_lines.md
@@ -56,7 +56,7 @@ 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.flatten() {
+        for line in lines.map_while(Result::ok) {
             println!("{}", line);
         }
     }