Make Clippy happy

Author: smoelius

frameworks/build.rs

@@ -179,7 +179,7 @@ where
         writeln!(file, " => {{")?;
         match fields {
             Fields::Named(fields) => {
-                for field in fields.named.iter() {
+                for field in &fields.named {
                     writeln!(
                         file,
                         "            {}.visit(visitor)?;",
@@ -234,7 +234,7 @@ where
 
     match fields {
         Fields::Named(fields) => {
-            for field in fields.named.iter() {
+            for field in &fields.named {
                 writeln!(
                     file,
                     "    {}.{}.visit(visitor)?;",

frameworks/src/foundry/visitor/visit.rs

@@ -57,7 +57,7 @@ where
     where
         V: Visitor<'ast> + ?Sized,
     {
-        for item in self.iter() {
+        for item in self {
             item.visit(v)?;
         }
         Ok(())

necessist/tests/trycmd.rs

@@ -41,7 +41,7 @@ fn trycmd() {
 
 #[test]
 fn check_stdout() {
-    let re = Regex::new(r#"\b[0-9]+\.[0-9]+s\b"#).unwrap();
+    let re = Regex::new(r"\b[0-9]+\.[0-9]+s\b").unwrap();
 
     let necessist_db_absent = read_dir("tests/necessist_db_absent").unwrap();
     let necessist_db_present = read_dir("tests/necessist_db_present").unwrap();