Refactor.

tests/operations.rs

@@ -10,7 +10,7 @@ fn test_max_operations() -> Result<(), Box<EvalAltResult>> {
 
     engine.on_progress(|count| {
         if count % 100 == 0 {
-            println!("{}", count);
+            println!("{count}");
         }
         None
     });
@@ -68,7 +68,7 @@ fn test_max_operations_functions() -> Result<(), Box<EvalAltResult>> {
 
     engine.on_progress(|count| {
         if count % 100 == 0 {
-            println!("{}", count);
+            println!("{count}");
         }
         None
     });
@@ -124,7 +124,7 @@ fn test_max_operations_eval() -> Result<(), Box<EvalAltResult>> {
 
     engine.on_progress(|count| {
         if count % 100 == 0 {
-            println!("{}", count);
+            println!("{count}");
         }
         None
     });

tests/plugins.rs

@@ -42,7 +42,7 @@ mod test {
         #[rhai_fn(name = "no_effect", set = "no_effect", pure)]
         pub fn no_effect(array: &mut Array, value: INT) {
             // array is not modified
-            println!("Array = {:?}, Value = {}", array, value);
+            println!("Array = {array:?}, Value = {value}");
         }
     }
 }

tests/print.rs

@@ -66,7 +66,7 @@ fn test_print_debug() -> Result<(), Box<EvalAltResult>> {
     );
 
     for entry in logbook.read().unwrap().iter() {
-        println!("{}", entry);
+        println!("{entry}");
     }
 
     Ok(())

tests/serde.rs

@@ -820,6 +820,6 @@ fn test_serde_blob() -> Result<(), Box<EvalAltResult>> {
 #[cfg(not(feature = "no_object"))]
 fn test_serde_json_borrowed_string() {
     let value = json!({ "a": "b" });
-    println!("value: {:?}", value);
+    println!("value: {value:?}");
     let _: Dynamic = serde_json::from_value(value).unwrap();
 }

tests/var_scope.rs

@@ -140,7 +140,7 @@ fn test_scope_eval() -> Result<(), Box<EvalAltResult>> {
     // Second invocation using the same state
     let result = engine.eval_with_scope::<INT>(&mut scope, "x")?;
 
-    println!("result: {}", result); // should print 966
+    println!("result: {result}"); // should print 966
 
     // Variable y is changed in the script
     assert_eq!(