some clippy warnings

1 files changed, 14 insertions, 9 deletions

diff --git a/src/main.rs b/src/main.rs
index 3cf6c2d..6b64f79 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,7 +38,8 @@ use crate::run::Executor;
 
 macro_rules! print {
     ($($x:tt)*) => {{
-        write!(io::stdout(), $($x)*).unwrap();
+        let res = write!(io::stdout(), $($x)*);
+        res.unwrap();
         io::stdout().flush().unwrap();
     }}
 }
@@ -47,11 +48,15 @@ macro_rules! println {
     () => {{
         println!("")
     }};
-    ($($x:tt)*) => {{
-        write!(io::stdout(), $($x)*).unwrap();
-        write!(io::stdout(), "\r\n").unwrap();
-        io::stdout().flush().unwrap();
-    }};
+    ($($x:tt)*) => {
+        {
+            let res = write!(io::stdout(), $($x)*);
+            res.unwrap();
+            let res = write!(io::stdout(), "\r\n");
+            res.unwrap();
+            io::stdout().flush().unwrap();
+        }
+    };
 }
 
 fn completely_clear_screen() {
@@ -125,7 +130,7 @@ impl Session {
     fn clear_prompt(&mut self) {
         cursor::move_cursor(Direction::Right, self.line.distance_from_right_end());
         for _ in 0..self.line.len() {
-            write!(io::stdout(), "\x08 \x08").unwrap();
+            print!("\x08 \x08");
         }
         io::stdout().lock().flush().unwrap();
         self.line.clear();
@@ -318,7 +323,7 @@ fn event_loop() {
             // Ctrl+L
             12 => {
                 clear_screen();
-                write!(io::stdout(), "{}", se.prompt()).unwrap();
+                print!("{}", se.prompt());
                 io::stdout().write_all(&se.line.into_bytes()).unwrap();
                 cursor::move_cursor(Direction::Left, se.line.distance_from_right_end());
                 io::stdout().lock().flush().unwrap();
@@ -374,7 +379,7 @@ fn event_loop() {
                 suggestions.sort_by(|x, y| x.delta.cmp(&y.delta));
                 suggestions.dedup_by(|x, y| x.delta == y.delta);
 
-                if suggestions.len() == 0 {
+                if suggestions.is_empty() {
                     continue;
                 }