doc: Fix remove unused variable

This commit depends on #25148.
2015-05-07 01:58:55 +09:00 · 2015-05-07 01:58:55 +09:00 · 08923fbff2
commit 08923fbff2
parent 5a83fa271d
1 changed files with 1 additions and 1 deletions
--- a/src/doc/trpl/guessing-game.md
+++ b/src/doc/trpl/guessing-game.md
@ -82,7 +82,7 @@ fn main() {

    let mut guess = String::new();

-    let input = io::stdin().read_line(&mut guess)
+    io::stdin().read_line(&mut guess)
        .ok()
        .expect("Failed to read line");