From 59f795f176061864c25d60b06c48682e3c3695e6 Mon Sep 17 00:00:00 2001
From: Sudarsan Balaji <sudarsan.balaji@artfuldev.com>
Date: Fri, 15 Oct 2021 21:36:36 +0530
Subject: [PATCH] Make MemoryDatabase Send + Sync

---
 src/database/memory.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/database/memory.rs b/src/database/memory.rs
index eacedf86..78cc031d 100644
--- a/src/database/memory.rs
+++ b/src/database/memory.rs
@@ -14,6 +14,7 @@
 //! This module defines an in-memory database type called [`MemoryDatabase`] that is based on a
 //! [`BTreeMap`].
 
+use std::any::Any;
 use std::collections::BTreeMap;
 use std::ops::Bound::{Excluded, Included};
 
@@ -110,7 +111,7 @@ fn after(key: &[u8]) -> Vec<u8> {
 /// [`database`]: crate::database
 #[derive(Debug, Default)]
 pub struct MemoryDatabase {
-    map: BTreeMap<Vec<u8>, Box<dyn std::any::Any>>,
+    map: BTreeMap<Vec<u8>, Box<dyn Any + Send + Sync>>,
     deleted_keys: Vec<Vec<u8>>,
 }