Revert "Update Edition"

This reverts commit 6422a96.

Author: Gianmarco Garrisi

Cargo.toml

@@ -9,8 +9,7 @@ readme = "README.md"
 keywords = ["priority", "queue", "heap"]
 categories = ["data-structures", "algorithms"]
 license = "LGPL-3.0-or-later OR MPL-2.0"
-edition = "2024"
-rust-version = "1.85"
+edition = "2021"
 
 [build-dependencies]
 autocfg = "1"

benches/priority_queue.rs

@@ -33,7 +33,7 @@ mod benchmarks {
     extern crate test;
     use hashbrown::hash_map::DefaultHashBuilder;
     use priority_queue::{DoublePriorityQueue, PriorityQueue};
-    use test::{Bencher, black_box};
+    use test::{black_box, Bencher};
 
     #[bench]
     fn push_and_pop(b: &mut Bencher) {

src/double_priority_queue/mod.rs

@@ -34,9 +34,9 @@ pub mod iterators;
 #[cfg(not(feature = "std"))]
 use std::vec::Vec;
 
-use crate::TryReserveError;
 use crate::core_iterators::*;
 use crate::store::{Index, Position, Store};
+use crate::TryReserveError;
 use iterators::*;
 
 use std::borrow::Borrow;

src/priority_queue/mod.rs

@@ -35,9 +35,9 @@ pub mod iterators;
 #[cfg(not(feature = "std"))]
 use std::vec::Vec;
 
-use crate::TryReserveError;
 use crate::core_iterators::*;
 use crate::store::{Index, Position, Store};
+use crate::TryReserveError;
 use iterators::*;
 
 use std::borrow::Borrow;

src/store.rs

@@ -30,8 +30,8 @@ use std::vec::Vec;
 
 // an improvement in terms of complexity would be to use a bare HashMap
 // as vec instead of the IndexMap
-use crate::TryReserveError;
 use crate::core_iterators::*;
+use crate::TryReserveError;
 
 use std::borrow::Borrow;
 use std::cmp::{Eq, Ord};
@@ -302,14 +302,12 @@ impl<I, P, H> Store<I, P, H> {
     }
 
     #[inline(always)]
-    pub unsafe fn get_priority_from_position(&self, position: Position) -> &P {
-        unsafe {
-            self.map
-                .get_index(self.heap.get_unchecked(position.0).0)
-                .unwrap()
-                .1
-        }
-    }
+    pub unsafe fn get_priority_from_position(&self, position: Position) -> &P { unsafe {
+        self.map
+            .get_index(self.heap.get_unchecked(position.0).0)
+            .unwrap()
+            .1
+    }}
 }
 
 impl<I, P, H> Store<I, P, H>

tests/double_priority_queue.rs

@@ -1040,7 +1040,7 @@ mod doublepq_tests {
 #[cfg(all(feature = "serde", test))]
 mod serde_tests_basics {
     use priority_queue::DoublePriorityQueue;
-    use serde_test::{Token, assert_tokens};
+    use serde_test::{assert_tokens, Token};
     #[test]
     fn serde_empty() {
         let pq: DoublePriorityQueue<String, i32> = DoublePriorityQueue::new();

tests/priority_queue.rs

@@ -854,7 +854,7 @@ mod pqueue_tests {
 #[cfg(all(feature = "serde", test))]
 mod serde_tests_basics {
     use priority_queue::PriorityQueue;
-    use serde_test::{Token, assert_tokens};
+    use serde_test::{assert_tokens, Token};
     #[test]
     fn serde_empty() {
         let pq: PriorityQueue<String, i32> = PriorityQueue::new();