style: Make clippy happy

Author: epage

crates/core/src/reflection.rs

@@ -153,7 +153,7 @@ impl<'a> Case<'a> {
 impl fmt::Debug for Case<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let predicate = if let Some(ref predicate) = self.predicate {
-            format!("Some({})", predicate)
+            format!("Some({predicate})")
         } else {
             "None".to_owned()
         };

crates/tree/examples/failures.rs

@@ -7,15 +7,15 @@ fn main() {
     let pred = predicates::ord::eq(expected);
     if let Some(case) = pred.find_case(false, &actual) {
         let tree = case.tree();
-        println!("{}", tree);
+        println!("{tree}");
     }
 
     let expected = [1, 2, 3];
     let actual = 15;
     let pred = predicates::iter::in_iter(IntoIterator::into_iter(expected));
     if let Some(case) = pred.find_case(false, &actual) {
         let tree = case.tree();
-        println!("{}", tree);
+        println!("{tree}");
     }
 
     let expected = "Hello
@@ -29,7 +29,7 @@ Goodbye!";
     let pred = predicates::ord::eq(expected);
     if let Some(case) = pred.find_case(false, &actual) {
         let tree = case.tree();
-        println!("{}", tree);
+        println!("{tree}");
     }
 
     let expected = "Hello
@@ -43,6 +43,6 @@ Goodbye!";
     let pred = predicates::str::diff(expected);
     if let Some(case) = pred.find_case(false, actual) {
         let tree = case.tree();
-        println!("{}", tree);
+        println!("{tree}");
     }
 }

crates/tree/src/lib.rs

@@ -70,8 +70,8 @@ struct Displayable {
 
 impl Displayable {
     fn new(display: &dyn std::fmt::Display) -> Self {
-        let primary = format!("{}", display);
-        let alternate = format!("{:#}", display);
+        let primary = format!("{display}");
+        let alternate = format!("{display:#}");
         Self { primary, alternate }
     }
 }