Fix clippy/rustdoc in lrlex

Author: ratmice

lrlex/src/lib/ctbuilder.rs

@@ -83,7 +83,7 @@ pub enum RustEdition {
 /// and the inner value for `Some(inner_value)`.
 ///
 /// This wrapper instead emits both `Some` and `None` variants.
-/// See: https://github.com/dtolnay/quote/issues/20
+/// See: [quote #20](https://github.com/dtolnay/quote/issues/20)
 struct QuoteOption<T>(Option<T>);
 
 impl<T: ToTokens> ToTokens for QuoteOption<T> {
@@ -109,7 +109,7 @@ impl<A: ToTokens, B: ToTokens> ToTokens for QuoteTuple<(A, B)> {
 /// The wrapped `&str` value will be emitted with a call to `to_string()`
 struct QuoteToString<'a>(&'a str);
 
-impl<'a> ToTokens for QuoteToString<'a> {
+impl ToTokens for QuoteToString<'_> {
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let x = &self.0;
         tokens.append_all(quote! { #x.to_string() });
@@ -545,7 +545,7 @@ pub fn lexerdef() -> {lexerdef_type} {{
         // Individual rules
         for r in lexerdef.iter_rules() {
             let tok_id = QuoteOption(r.tok_id);
-            let n = QuoteOption(r.name().map(|n| QuoteToString(n)));
+            let n = QuoteOption(r.name().map(QuoteToString));
             let target_state = QuoteOption(r.target_state().map(|(x, y)| QuoteTuple((x, y))));
             let n_span = r.name_span();
             let regex = QuoteToString(&r.re_str);