From 41f60c4e910aefc056ade7d8c7ab64713bec9f0d Mon Sep 17 00:00:00 2001
From: manmen-mi <manmen.mi1375@gmail.com>
Date: Tue, 26 May 2026 09:56:51 +0900
Subject: [PATCH] do not leak string, use String

---
 src/app_state.rs | 6 +++---
 src/exercise.rs  | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/app_state.rs b/src/app_state.rs
index 8952db75..2c419825 100644
--- a/src/app_state.rs
+++ b/src/app_state.rs
@@ -92,9 +92,9 @@ impl AppState {
             .into_iter()
             .map(|exercise_info| {
                 let hint = if let Some(replacer) = &url_replacer {
-                    replacer.replace(exercise_info.hint.trim_ascii()).leak()
+                    replacer.replace(exercise_info.hint.trim_ascii())
                 } else {
-                    exercise_info.hint.trim_ascii()
+                    exercise_info.hint.trim_ascii().to_string()
                 };
 
                 let canonical_path = dir_canonical_path.as_deref().map(|dir_canonical_path| {
@@ -628,7 +628,7 @@ mod tests {
             canonical_path: None,
             test: false,
             strict_clippy: false,
-            hint: "",
+            hint: String::new(),
             done: false,
         }
     }
diff --git a/src/exercise.rs b/src/exercise.rs
index b969c69a..7732e1a2 100644
--- a/src/exercise.rs
+++ b/src/exercise.rs
@@ -73,7 +73,7 @@ pub struct Exercise {
     pub canonical_path: Option<String>,
     pub test: bool,
     pub strict_clippy: bool,
-    pub hint: &'static str,
+    pub hint: String,
     pub done: bool,
 }