3 files changed, 37 insertions, 23 deletions
diff --git a/futures/src/lib.rs b/futures/src/lib.rs
index d54ba18a..b0acb76f 100644
--- a/futures/src/lib.rs
+++ b/futures/src/lib.rs
@@ -15,7 +15,7 @@
 pub use futures;
 pub use iced_core as core;
 
-mod maybe_send;
+mod maybe;
 mod runtime;
 
 pub mod backend;
@@ -25,7 +25,7 @@ pub mod keyboard;
 pub mod subscription;
 
 pub use executor::Executor;
-pub use maybe_send::MaybeSend;
+pub use maybe::{MaybeSend, MaybeSync};
 pub use platform::*;
 pub use runtime::Runtime;
 pub use subscription::Subscription;
diff --git a/futures/src/maybe.rs b/futures/src/maybe.rs
new file mode 100644
index 00000000..c6a507c1
--- /dev/null
+++ b/futures/src/maybe.rs
@@ -0,0 +1,35 @@
+#[cfg(not(target_arch = "wasm32"))]
+mod platform {
+    /// An extension trait that enforces `Send` only on native platforms.
+    ///
+    /// Useful for writing cross-platform async code!
+    pub trait MaybeSend: Send {}
+
+    impl<T> MaybeSend for T where T: Send {}
+
+    /// An extension trait that enforces `Sync` only on native platforms.
+    ///
+    /// Useful for writing cross-platform async code!
+    pub trait MaybeSync: Sync {}
+
+    impl<T> MaybeSync for T where T: Sync {}
+}
+
+#[cfg(target_arch = "wasm32")]
+mod platform {
+    /// An extension trait that enforces `Send` only on native platforms.
+    ///
+    /// Useful for writing cross-platform async code!
+    pub trait MaybeSend {}
+
+    impl<T> MaybeSend for T {}
+
+    /// An extension trait that enforces `Sync` only on native platforms.
+    ///
+    /// Useful for writing cross-platform async code!
+    pub trait MaybeSync {}
+
+    impl<T> MaybeSync for T {}
+}
+
+pub use platform::{MaybeSend, MaybeSync};
diff --git a/futures/src/maybe_send.rs b/futures/src/maybe_send.rs
deleted file mode 100644
index a6670f0e..00000000
--- a/futures/src/maybe_send.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-#[cfg(not(target_arch = "wasm32"))]
-mod platform {
-    /// An extension trait that enforces `Send` only on native platforms.
-    ///
-    /// Useful to write cross-platform async code!
-    pub trait MaybeSend: Send {}
-
-    impl<T> MaybeSend for T where T: Send {}
-}
-
-#[cfg(target_arch = "wasm32")]
-mod platform {
-    /// An extension trait that enforces `Send` only on native platforms.
-    ///
-    /// Useful to write cross-platform async code!
-    pub trait MaybeSend {}
-
-    impl<T> MaybeSend for T {}
-}
-
-pub use platform::MaybeSend;