From f9558263ab264e5b52dc1d96fb84d9ddaf9f2646 Mon Sep 17 00:00:00 2001
From: Nolan Darilek <nolan@thewordnerd.info>
Date: Thu, 3 Jan 2019 17:20:04 +0000
Subject: [PATCH] Implement `Send` and `Sync` for `TTS`.

---
 src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index bc873e4..c7c10a2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -50,6 +50,10 @@ trait Backend {
 
 pub struct TTS(Box<Backend>);
 
+unsafe impl std::marker::Send for TTS {}
+
+unsafe impl std::marker::Sync for TTS {}
+
 impl TTS {
     /**
      * Create a new `TTS` instance with the specified backend.