diff --git a/src/function/builtin.rs b/src/function/builtin.rs
index 1819439..e51da8a 100644
--- a/src/function/builtin.rs
+++ b/src/function/builtin.rs
@@ -123,7 +123,12 @@ pub fn builtin_function(identifier: &str) -> Option<Function> {
         })),
         "if" => Some(Function::new(|argument| {
             if let [condition, if_true, if_false] = &argument.as_fixed_len_tuple(3)?[..] {
-                return Ok(if condition.as_boolean()? { if_true } else { if_false }.clone())
+                return Ok(if condition.as_boolean()? {
+                    if_true
+                } else {
+                    if_false
+                }
+                .clone());
             }
             Err(EvalexprError::type_error(
                 argument.clone(),
diff --git a/tests/integration.rs b/tests/integration.rs
index cd7639b..6cec000 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -410,7 +410,10 @@ fn test_builtin_functions() {
     assert_eq!(eval("shr(-6, 5)"), Ok(Value::Int(-1)));
     assert_eq!(eval("if(true, -6, 5)"), Ok(Value::Int(-6)));
     assert_eq!(eval("if(false, -6, 5)"), Ok(Value::Int(5)));
-    assert_eq!(eval("if(2-1==1, \"good\", 0)"), Ok(Value::String(String::from("good"))));
+    assert_eq!(
+        eval("if(2-1==1, \"good\", 0)"),
+        Ok(Value::String(String::from("good")))
+    );
 }
 
 #[test]