Use MaybeSend in perform and map for Command

native/src/clipboard.rs

@@ -1,4 +1,6 @@
 //! Access the clipboard.
+use iced_futures::MaybeSend;
+
 use std::fmt;
 
 /// A buffer for short-term storage and transfer within and between
@@ -36,7 +38,10 @@ pub enum Action<T> {
 
 impl<T> Action<T> {
     /// Maps the output of a clipboard [`Action`] using the provided closure.
-    pub fn map<A>(self, f: impl Fn(T) -> A + 'static + Send + Sync) -> Action<A>
+    pub fn map<A>(
+        self,
+        f: impl Fn(T) -> A + 'static + MaybeSend + Sync,
+    ) -> Action<A>
     where
         T: 'static,
     {

native/src/command.rs

@@ -3,6 +3,8 @@ mod action;
 
 pub use action::Action;
 
+use iced_futures::MaybeSend;
+
 use std::fmt;
 use std::future::Future;
 
@@ -24,8 +26,8 @@ impl<T> Command<T> {
 
     /// Creates a [`Command`] that performs the action of the given future.
     pub fn perform<A>(
-        future: impl Future<Output = T> + 'static + Send,
+        future: impl Future<Output = T> + 'static + MaybeSend,
-        f: impl Fn(T) -> A + 'static + Send,
+        f: impl Fn(T) -> A + 'static + MaybeSend,
     ) -> Command<A> {
         use iced_futures::futures::FutureExt;
 
@@ -45,7 +47,7 @@ impl<T> Command<T> {
     /// Applies a transformation to the result of a [`Command`].
     pub fn map<A>(
         self,
-        f: impl Fn(T) -> A + 'static + Send + Sync + Clone,
+        f: impl Fn(T) -> A + 'static + MaybeSend + Sync + Clone,
     ) -> Command<A>
     where
         T: 'static,

native/src/command/action.rs

@@ -1,6 +1,8 @@
 use crate::clipboard;
 use crate::window;
 
+use iced_futures::MaybeSend;
+
 use std::fmt;
 
 /// An action that a [`Command`] can perform.
@@ -19,7 +21,10 @@ pub enum Action<T> {
 
 impl<T> Action<T> {
     /// Applies a transformation to the result of a [`Command`].
-    pub fn map<A>(self, f: impl Fn(T) -> A + 'static + Send + Sync) -> Action<A>
+    pub fn map<A>(
+        self,
+        f: impl Fn(T) -> A + 'static + MaybeSend + Sync,
+    ) -> Action<A>
     where
         T: 'static,
     {