Fix clippy warnings

2 files changed, 8 insertions, 5 deletions

diff --git a/src/gui/question.rs b/src/gui/question.rs
index 1c44272..c07b5f4 100644
--- a/src/gui/question.rs
+++ b/src/gui/question.rs
@@ -182,14 +182,17 @@ pub fn ask<B: Backend>(terminal: &mut Terminal<B>, title: &str, card: &Card) ->
                     difficulty: selected,
                 } => match key.code {
                     KeyCode::Left => {
-                        for d in relative_element(&card.state.difficulties(), &selected, -1).iter()
+                        if let Some(difficulty) =
+                            relative_element(&card.state.difficulties(), &selected, -1)
                         {
-                            state.answer = Answer::Difficulty { difficulty: *d }
+                            state.answer = Answer::Difficulty { difficulty }
                         }
                     }
                     KeyCode::Right => {
-                        for d in relative_element(&card.state.difficulties(), &selected, 1).iter() {
-                            state.answer = Answer::Difficulty { difficulty: *d }
+                        if let Some(difficulty) =
+                            relative_element(&card.state.difficulties(), &selected, 1)
+                        {
+                            state.answer = Answer::Difficulty { difficulty }
                         }
                     }
                     KeyCode::Enter => {
diff --git a/src/model/difficulty.rs b/src/model/difficulty.rs
index ea5a9ce..727ce4b 100644
--- a/src/model/difficulty.rs
+++ b/src/model/difficulty.rs
@@ -1,4 +1,4 @@
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum Difficulty {
     Again,
     Hard,