Consistently inline formatting arguments (#2413)

src/bare-metal/aps/examples/src/main_minimal.rs

@@ -35,7 +35,7 @@ extern "C" fn main(x0: u64, x1: u64, x2: u64, x3: u64) {
     // nothing else accesses that address range.
     let mut uart = unsafe { Uart::new(PL011_BASE_ADDRESS) };
 
-    writeln!(uart, "main({:#x}, {:#x}, {:#x}, {:#x})", x0, x1, x2, x3).unwrap();
+    writeln!(uart, "main({x0:#x}, {x1:#x}, {x2:#x}, {x3:#x})").unwrap();
 
     system_off::<Hvc>().unwrap();
 }

src/concurrency/async-control-flow/join.md

@@ -31,7 +31,7 @@ async fn main() {
     let results = future::join_all(futures_iter).await;
     let page_sizes_dict: HashMap<&str, Result<usize>> =
         urls.into_iter().zip(results.into_iter()).collect();
-    println!("{:?}", page_sizes_dict);
+    println!("{page_sizes_dict:?}");
 }
 ```
 

src/methods-and-traits/deriving.md

@@ -20,7 +20,7 @@ fn main() {
     let mut p2 = p1.clone(); // Clone trait adds `clone` method.
     p2.name = String::from("EldurScrollz");
     // Debug trait adds support for printing with `{:?}`.
-    println!("{:?} vs. {:?}", p1, p2);
+    println!("{p1:?} vs. {p2:?}");
 }
 ```
 

src/pattern-matching/exercise.rs

@@ -130,6 +130,6 @@ fn main() {
         left: Box::new(Expression::Value(20)),
         right: Box::new(Expression::Value(10)),
     };
-    println!("expr: {:?}", expr);
+    println!("expr: {expr:?}");
     println!("result: {:?}", eval(expr));
 }

src/pattern-matching/let-control-flow.md

@@ -21,9 +21,9 @@ lets you execute different code depending on whether a value matches a pattern:
 use std::time::Duration;
 
 fn sleep_for(secs: f32) {
-    if let Ok(dur) = Duration::try_from_secs_f32(secs) {
-        std::thread::sleep(dur);
-        println!("slept for {:?}", dur);
+    if let Ok(duration) = Duration::try_from_secs_f32(secs) {
+        std::thread::sleep(duration);
+        println!("slept for {duration:?}");
     }
 }
 

src/std-traits/operators.md

@@ -24,7 +24,7 @@ impl std::ops::Add for Point {
 fn main() {
     let p1 = Point { x: 10, y: 20 };
     let p2 = Point { x: 100, y: 200 };
-    println!("{:?} + {:?} = {:?}", p1, p2, p1 + p2);
+    println!("{p1:?} + {p2:?} = {:?}", p1 + p2);
 }
 ```
 

src/std-traits/read-and-write.md

@@ -38,7 +38,7 @@ fn main() -> Result<()> {
     let mut buffer = Vec::new();
     log(&mut buffer, "Hello")?;
     log(&mut buffer, "World")?;
-    println!("Logged: {:?}", buffer);
+    println!("Logged: {buffer:?}");
     Ok(())
 }
 ```

src/unsafe-rust/exercise.rs

@@ -91,7 +91,7 @@ impl DirectoryIterator {
         // SAFETY: path.as_ptr() cannot be NULL.
         let dir = unsafe { ffi::opendir(path.as_ptr()) };
         if dir.is_null() {
-            Err(format!("Could not open {:?}", path))
+            Err(format!("Could not open {path:?}"))
         } else {
             Ok(DirectoryIterator { path, dir })
         }

src/user-defined-types/enums.md

@@ -22,8 +22,8 @@ enum PlayerMove {
 }
 
 fn main() {
-    let m: PlayerMove = PlayerMove::Run(Direction::Left);
-    println!("On this turn: {:?}", m);
+    let player_move: PlayerMove = PlayerMove::Run(Direction::Left);
+    println!("On this turn: {player_move:?}");
 }
 ```