remove extraneous clones

src/function.rs

@@ -117,8 +117,8 @@ pub fn eat_call_args<I: Iterator<Item = Token>>(toks: &mut Peekable<I>) -> CallA
             }
             TokenKind::Symbol(Symbol::CloseParen) => {
                 args.push(CallArg {
-                    name: name.clone(),
+                    name: name,
-                    val: val.clone(),
+                    val: val,
                 });
                 break;
             }

src/main.rs

@@ -274,11 +274,11 @@ impl<'a> StyleSheetParser<'a> {
                 }
                 TokenKind::AtRule(_) => {
                     if let Some(Token {
-                        kind: TokenKind::AtRule(rule),
+                        kind: TokenKind::AtRule(ref rule),
                         pos,
                     }) = self.lexer.next()
                     {
-                        match eat_at_rule(rule, pos, &mut self.lexer, &mut self.global_scope) {
+                        match eat_at_rule(rule, pos, &mut self.lexer, &self.global_scope) {
                             Ok(_) => todo!(),
                             Err(Printer::Error(pos, message)) => self.error(pos, &message),
                             Err(Printer::Warn(pos, message)) => self.warn(pos, &message),
@@ -438,7 +438,7 @@ fn parse_mixin<I: Iterator<Item = Token>>(
 }
 
 fn eat_at_rule<I: Iterator<Item = Token>>(
-    rule: AtRule,
+    rule: &AtRule,
     pos: Pos,
     toks: &mut Peekable<I>,
     scope: &Scope,
@@ -549,7 +549,7 @@ pub(crate) fn eat_expr<I: Iterator<Item = Token>>(
             }
             TokenKind::AtRule(_) => {
                 if let Some(Token {
-                    kind: TokenKind::AtRule(rule),
+                    kind: TokenKind::AtRule(ref rule),
                     pos,
                 }) = toks.next()
                 {

src/mixin.rs

@@ -16,7 +16,7 @@ pub struct Mixin {
 
 impl Mixin {
     pub fn new(scope: Scope, args: FuncArgs, body: Vec<Token>) -> Self {
-        let body = body.clone().into_iter().peekable();
+        let body = body.into_iter().peekable();
         Mixin {
             scope,
             args,