perf(ecs): use hashbrown's HashMap & HashSet

Hashbrown's HashMap & HashSet is faster than std's. I
guess this is because std (which uses hashbrown) does
not enable hashbrown's default-hasher flag and instead
uses a slower hasher.

1 files changed, 2 insertions, 1 deletions

diff --git a/ecs/src/component/storage.rs b/ecs/src/component/storage.rs
index 54fa834..dcf0181 100644
--- a/ecs/src/component/storage.rs
+++ b/ecs/src/component/storage.rs
@@ -1,10 +1,11 @@
 use std::any::type_name;
 use std::borrow::Borrow;
 use std::cell::RefCell;
-use std::collections::{HashMap, HashSet};
 use std::slice::Iter as SliceIter;
 use std::vec::IntoIter as OwnedVecIter;
 
+use hashbrown::{HashMap, HashSet};
+
 use crate::archetype::Id as ArchetypeId;
 use crate::component::{
     Component,