diff --git a/examples/c/src/parser.rs b/examples/c/src/parser.rs
index 448dff4..04e905c 100644
--- a/examples/c/src/parser.rs
+++ b/examples/c/src/parser.rs
@@ -481,7 +481,7 @@ pub fn tokenize(
 
 include!(concat!(env!("OUT_DIR"), "/generated.rs"));
 
-impl<'a> Parser<'a> {
+impl Parser<'_> {
     fn check_missing_type_specifier(
         &self,
         decl_specs: Option<DeclarationSpecifiers>,
@@ -567,7 +567,7 @@ impl<'a> Parser<'a> {
 }
 
 #[allow(clippy::ptr_arg)]
-impl<'a> PredicatesAndActions for Parser<'a> {
+impl PredicatesAndActions for Parser<'_> {
     fn build(&mut self, rule: Rule, node: NodeRef, diags: &mut Vec<Diagnostic>) {
         match rule {
             Rule::Declaration => {
diff --git a/examples/l/src/parser.rs b/examples/l/src/parser.rs
index d8532a4..610a6d4 100644
--- a/examples/l/src/parser.rs
+++ b/examples/l/src/parser.rs
@@ -107,7 +107,7 @@ pub fn tokenize(
     (tokens, ranges)
 }
 
-impl<'a> PredicatesAndActions for Parser<'a> {
+impl PredicatesAndActions for Parser<'_> {
     fn predicate_param_list_1(&self) -> bool {
         self.peek(1) != Token::RPar
     }
diff --git a/examples/lua/src/parser.rs b/examples/lua/src/parser.rs
index 184575f..66d96e9 100644
--- a/examples/lua/src/parser.rs
+++ b/examples/lua/src/parser.rs
@@ -93,7 +93,9 @@ fn parse_comments(lexer: &mut Lexer<'_, Token>) -> Result<(), LexerError> {
 }
 fn parse_first_line_comment(lexer: &mut Lexer<'_, Token>) -> Token {
     if lexer.span().start == 0 {
-        lexer.remainder().find('\n').map(|i| lexer.bump(i + 1));
+        if let Some(i) = lexer.remainder().find('\n') {
+            lexer.bump(i + 1)
+        }
         return Token::FirstLineComment;
     }
     Token::Hash
@@ -268,7 +270,7 @@ pub fn tokenize(
 
 include!(concat!(env!("OUT_DIR"), "/generated.rs"));
 
-impl<'a> PredicatesAndActions for Parser<'a> {
+impl PredicatesAndActions for Parser<'_> {
     fn build(&mut self, rule: Rule, node: NodeRef, diags: &mut Vec<Diagnostic>) {
         match rule {
             Rule::Expstat => {