Use f-strings when convenient

5 files changed, 16 insertions, 22 deletions

diff --git a/src/gui/mod.rs b/src/gui/mod.rs
index 719f39a..858b30d 100644
--- a/src/gui/mod.rs
+++ b/src/gui/mod.rs
@@ -63,10 +63,10 @@ pub fn start(conn: &Connection, term: &mut Term, events: &Events, deck_name: &st
             },
             None => {
                 let message = match db::next_ready(conn) {
-                    Some(ready) => format!(
-                        "Prochaine carte disponible dans {}.",
-                        time::pp_duration(ready - now)
-                    ),
+                    Some(ready) => {
+                        let duration = time::pp_duration(ready - now);
+                        format!("Prochaine carte disponible dans {duration}.")
+                    },
                     None => "Aucune carte n’est disponible. Votre deck est-il vide ?".to_string(),
                 };
                 let _ = message::show(term, events, &title, &message, true);
@@ -82,18 +82,12 @@ fn title(deck_name: &str, answers: i32, available_cards: i32) -> String {
     if answers == 0 && available_cards == 0 {
         deck_name.to_string()
     } else if available_cards == 0 {
-        format!(
-            "{} ({} / {})",
-            deck_name,
-            answers,
-            answers + available_cards
-        )
+        let from = answers;
+        let to = answers + available_cards;
+        format!("{deck_name} ({from} / {to})")
     } else {
-        format!(
-            "{} ({} / {})",
-            deck_name,
-            answers + 1,
-            answers + available_cards
-        )
+        let from = answers + 1;
+        let to = answers + available_cards;
+        format!("{deck_name} ({from} / {to})")
     }
 }
diff --git a/src/gui/util.rs b/src/gui/util.rs
index 2314aba..c62c755 100644
--- a/src/gui/util.rs
+++ b/src/gui/util.rs
@@ -17,5 +17,5 @@ pub fn center_vertically(chunk: Rect, text: &str) -> String {
     let chunk_inner_lines: usize = (chunk.height - 2).into();
     let blank_lines = chunk_inner_lines - text_lines;
     let newlines = "\n".repeat(blank_lines / 2);
-    format!("{}{}", newlines, text)
+    format!("{newlines}{text}")
 }
diff --git a/src/main.rs b/src/main.rs
index c2373f4..4ca3822 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -28,7 +28,7 @@ fn main() -> Result<()> {
         Ok(()) => Ok(()),
         Err(msg) => {
             // Show errors in TUI, otherwise they are hidden
-            gui::message::show(&mut term, &events, &deck_name, &format!("{}", msg), true)?;
+            gui::message::show(&mut term, &events, &deck_name, &format!("{msg}"), true)?;
             Err(msg)
         }
     }
diff --git a/src/util/event.rs b/src/util/event.rs
index 05d8581..379df99 100644
--- a/src/util/event.rs
+++ b/src/util/event.rs
@@ -45,7 +45,7 @@ impl Events {
                 let stdin = io::stdin();
                 for key in stdin.keys().flatten() {
                     if let Err(err) = tx.send(Event::Input(key)) {
-                        eprintln!("{}", err);
+                        eprintln!("{err}");
                         return;
                     }
                 }
@@ -54,7 +54,7 @@ impl Events {
         let tick_handle = {
             thread::spawn(move || loop {
                 if let Err(err) = tx.send(Event::Tick) {
-                    eprintln!("{}", err);
+                    eprintln!("{err}");
                     break;
                 }
                 thread::sleep(config.tick_rate);
diff --git a/src/util/time.rs b/src/util/time.rs
index b8a85e6..679d1b4 100644
--- a/src/util/time.rs
+++ b/src/util/time.rs
@@ -31,9 +31,9 @@ pub fn pp_duration(seconds: u64) -> String {
 
 fn plural(n: u64, str: &str) -> String {
     if n <= 1 {
-        format!("{} {}", n, str)
+        format!("{n} {str}")
     } else {
-        format!("{} {}s", n, str)
+        format!("{n} {str}s")
     }
 }