From cca11ea9cc4baaa71474700fe3bcbe540ff89bc8 Mon Sep 17 00:00:00 2001
From: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Date: Sat, 9 Oct 2021 15:22:36 +0200
Subject: [PATCH] Optimization: less HashMap, more AHashMap

---
 egui/src/any/any_map.rs               | 6 +++---
 egui/src/any/serializable/any_map.rs  | 6 +++---
 egui/src/any/serializable/type_map.rs | 4 ++--
 egui/src/any/type_map.rs              | 4 ++--
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/egui/src/any/any_map.rs b/egui/src/any/any_map.rs
index ca785397..5a1909e9 100644
--- a/egui/src/any/any_map.rs
+++ b/egui/src/any/any_map.rs
@@ -1,15 +1,15 @@
 use crate::any::element::{AnyMapElement, AnyMapTrait};
+use crate::epaint::ahash::AHashMap;
 use std::any::TypeId;
-use std::collections::HashMap;
 use std::hash::Hash;
 
 /// Stores any object by `Key`.
 #[derive(Clone, Debug)]
-pub struct AnyMap<Key: Hash + Eq>(HashMap<Key, AnyMapElement>);
+pub struct AnyMap<Key: Hash + Eq>(AHashMap<Key, AnyMapElement>);
 
 impl<Key: Hash + Eq> Default for AnyMap<Key> {
     fn default() -> Self {
-        AnyMap(HashMap::new())
+        AnyMap(AHashMap::new())
     }
 }
 
diff --git a/egui/src/any/serializable/any_map.rs b/egui/src/any/serializable/any_map.rs
index 8fd10492..658a1594 100644
--- a/egui/src/any/serializable/any_map.rs
+++ b/egui/src/any/serializable/any_map.rs
@@ -1,16 +1,16 @@
 use crate::any::serializable::element::{AnyMapElement, AnyMapTrait};
 use crate::any::serializable::type_id::TypeId;
+use crate::epaint::ahash::AHashMap;
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
 use std::hash::Hash;
 
 /// Stores any object by `Key`, and can be de/serialized.
 #[derive(Clone, Debug, Deserialize, Serialize)]
-pub struct AnyMap<Key: Hash + Eq>(HashMap<Key, AnyMapElement>);
+pub struct AnyMap<Key: Hash + Eq>(AHashMap<Key, AnyMapElement>);
 
 impl<Key: Hash + Eq> Default for AnyMap<Key> {
     fn default() -> Self {
-        AnyMap(HashMap::new())
+        AnyMap(AHashMap::new())
     }
 }
 
diff --git a/egui/src/any/serializable/type_map.rs b/egui/src/any/serializable/type_map.rs
index 87323033..124d9727 100644
--- a/egui/src/any/serializable/type_map.rs
+++ b/egui/src/any/serializable/type_map.rs
@@ -1,14 +1,14 @@
 use crate::any::serializable::element::{AnyMapElement, AnyMapTrait};
 use crate::any::serializable::type_id::TypeId;
+use crate::epaint::ahash::AHashMap;
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
 
 /// Maps types to a single instance of that type.
 ///
 /// Used to store state per widget type. In effect a sort of singleton storage.
 /// Similar to [the `typemap` crate](https://docs.rs/typemap/0.3.3/typemap/) but allows serialization.
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
-pub struct TypeMap(HashMap<TypeId, AnyMapElement>);
+pub struct TypeMap(AHashMap<TypeId, AnyMapElement>);
 
 // ----------------------------------------------------------------------------
 
diff --git a/egui/src/any/type_map.rs b/egui/src/any/type_map.rs
index 2ed59c70..e4b89fa6 100644
--- a/egui/src/any/type_map.rs
+++ b/egui/src/any/type_map.rs
@@ -1,13 +1,13 @@
 use crate::any::element::{AnyMapElement, AnyMapTrait};
+use crate::epaint::ahash::AHashMap;
 use std::any::TypeId;
-use std::collections::HashMap;
 
 /// Maps types to a single instance of that type.
 ///
 /// Used to store state per widget type. In effect a sort of singleton storage.
 /// Similar to [the `typemap` crate](https://docs.rs/typemap/0.3.3/typemap/).
 #[derive(Clone, Debug, Default)]
-pub struct TypeMap(HashMap<TypeId, AnyMapElement>);
+pub struct TypeMap(AHashMap<TypeId, AnyMapElement>);
 
 // ----------------------------------------------------------------------------