Clippy.

jaq-core/src/load/lex.rs

@@ -58,7 +58,7 @@ pub enum Expect<S> {
     Token,
 }
 
-impl<'a> Expect<&'a str> {
+impl Expect<&str> {
     /// Return human-readable description of what we expected.
     pub fn as_str(&self) -> &'static str {
         match self {

jaq-core/src/rc_lazy_list.rs

@@ -7,7 +7,7 @@ pub struct List<'a, T>(Rc<Lazy<Node<'a, T>, Eval<'a, T>>>);
 struct Node<'a, T>(Option<(T, List<'a, T>)>);
 type Eval<'a, T> = Box<dyn FnOnce() -> Node<'a, T> + 'a>;
 
-impl<'a, T> Drop for List<'a, T> {
+impl<T> Drop for List<'_, T> {
     fn drop(&mut self) {
         while let Some((_head, tail)) = Rc::get_mut(&mut self.0)
             .and_then(Lazy::get_mut)

jaq-json/src/lib.rs

@@ -403,7 +403,7 @@ fn parse_fun() -> Filter<RunPtr<Val>> {
 }
 
 fn skip_take(from: usize, until: usize) -> (usize, usize) {
-    (from, if until > from { until - from } else { 0 })
+    (from, until.saturating_sub(from))
 }
 
 /// If a range bound is given, absolutise and clip it between 0 and `len`,