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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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/// BoxedFuture is the type alias of [`futures::future::BoxFuture`].
#[cfg(not(target_arch = "wasm32"))]
pub type BoxedFuture<'a, T> = futures::future::BoxFuture<'a, T>;

/// BoxedFuture is the type alias of [`futures::future::LocalBoxFuture`].
#[cfg(target_arch = "wasm32")]
pub type BoxedFuture<'a, T> = futures::future::LocalBoxFuture<'a, T>;

/// MaybeSend is a marker to determine whether a type is `Send` or not.
///
/// [`MaybeSend`] is equivalent to `Send` on non-wasm32 target.
#[cfg(not(target_arch = "wasm32"))]
pub trait MaybeSend: Send {}

/// MaybeSend is a marker to determine whether a type is `Send` or not.
///
/// [`MaybeSend`] is empty on wasm32 target.
#[cfg(target_arch = "wasm32")]
pub trait MaybeSend {}

#[cfg(not(target_arch = "wasm32"))]
impl<T: Send> MaybeSend for T {}

#[cfg(target_arch = "wasm32")]
impl<T> MaybeSend for T {}
