Use std::cmp

Author: pierwill

chalk-solve/src/display/state.rs

@@ -7,7 +7,7 @@ use std::{
     fmt::{Debug, Display, Formatter, Result},
     marker::PhantomData,
     rc::Rc,
-    sync::{Arc, Mutex},
+    sync::{Arc, Mutex}, cmp::{PartialEq, Eq}, hash::Hash,
 };
 
 use crate::RustIrDatabase;
@@ -52,7 +52,7 @@ pub struct IdAliasStore<T> {
     next_unused_for_name: IndexMap<String, u32>,
 }
 
-impl<T: std::cmp::PartialEq + std::cmp::Eq + std::hash::Hash> Default for IdAliasStore<T> {
+impl<T: PartialEq + Eq + Hash> Default for IdAliasStore<T> {
     fn default() -> Self {
         IdAliasStore {
             aliases: IndexMap::default(),
@@ -61,7 +61,7 @@ impl<T: std::cmp::PartialEq + std::cmp::Eq + std::hash::Hash> Default for IdAlia
     }
 }
 
-impl<T: Copy + std::cmp::PartialEq + std::cmp::Eq + std::hash::Hash> IdAliasStore<T> {
+impl<T: Copy + PartialEq + Eq + Hash> IdAliasStore<T> {
     fn alias_for_id_name(&mut self, id: T, name: String) -> String {
         let next_unused_for_name = &mut self.next_unused_for_name;
         let alias = *self.aliases.entry(id).or_insert_with(|| {