Fix new/updated clippy warnings in 1.83

Cargo.toml

@@ -10,7 +10,7 @@ edition = "2021"
 license = "MIT"
 publish = false
 repository = "https://github.com/ictrobot/aoc-rs"
-rust-version = "1.82.0"
+rust-version = "1.83.0"
 
 [workspace.lints.clippy]
 pedantic = { level = "warn", priority = -1 }

crates/aoc/src/cli/options.rs

@@ -177,7 +177,7 @@ enum ArgumentValue<'a> {
     None,
 }
 
-impl<'a> ArgumentValue<'a> {
+impl ArgumentValue<'_> {
     fn required(self) -> Result<String, Box<dyn Error>> {
         match self {
             ArgumentValue::Provided(value) => Ok(value),

crates/utils/src/parser/base.rs

@@ -418,7 +418,7 @@ pub trait Parser: Sized {
 
 // Workaround to allow using methods which consume a parser in methods which take references.
 struct ParserRef<'a, P>(&'a P);
-impl<'a, P: Parser> Parser for ParserRef<'a, P> {
+impl<P: Parser> Parser for ParserRef<'_, P> {
     type Output<'i> = P::Output<'i>;
     type Then<T: Parser> = Unimplemented;
 

crates/utils/src/parser/iterator.rs

@@ -35,4 +35,4 @@ impl<'a, P: Parser> Iterator for ParserIterator<'a, P> {
     }
 }
 
-impl<'a, P: Parser> FusedIterator for ParserIterator<'a, P> {}
+impl<P: Parser> FusedIterator for ParserIterator<'_, P> {}