skip next is nth

Author: lqd

crates/formality-core/src/collections.rs

@@ -113,7 +113,7 @@ impl<T: Ord + Clone> SetExt<T> for Set<T> {
 
     fn split_nth(&self, i: usize) -> Option<(T, Set<T>)> {
         let mut s = self.clone();
-        let item = self.iter().skip(i).next()?;
+        let item = self.iter().nth(i)?;
         let item = s.take(item).unwrap();
         Some((item, s))
     }

crates/formality-core/src/parse/parser.rs

@@ -343,7 +343,7 @@ where
                 .zip(0..)
                 .all(|(s_j, j)| i == j || Self::is_preferable(s_i, s_j))
             {
-                let s_i = self.successes.into_iter().skip(i).next().unwrap();
+                let s_i = self.successes.into_iter().nth(i).unwrap();
                 // It's better to print this result alongside the main parsing section.
                 drop(guard);
                 tracing::trace!("best parse = `{:?}`", s_i);

crates/formality-macros/src/attrs.rs

@@ -69,8 +69,7 @@ where
             attrs
                 .iter()
                 .filter(|a| a.path().is_ident(name))
-                .skip(1)
-                .next()
+                .nth(1)
                 .unwrap()
                 .path()
                 .span(),