Add ReadyBoolExt special case for ReadyEqExt.

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/utils/future/mod.rs

@@ -2,6 +2,7 @@ mod bool_ext;
 mod ext_ext;
 mod option_ext;
 mod option_stream;
+mod ready_bool_ext;
 mod ready_eq_ext;
 mod try_ext_ext;
 
@@ -10,6 +11,7 @@ pub use self::{
 	ext_ext::ExtExt,
 	option_ext::OptionExt,
 	option_stream::OptionStream,
+	ready_bool_ext::ReadyBoolExt,
 	ready_eq_ext::ReadyEqExt,
 	try_ext_ext::TryExtExt,
 };

src/core/utils/future/ready_bool_ext.rs

@@ -0,0 +1,18 @@
+#![allow(clippy::wrong_self_convention)]
+
+use futures::Future;
+
+use super::ReadyEqExt;
+
+pub trait ReadyBoolExt
+where
+	Self: Future<Output = bool> + ReadyEqExt<bool> + Send,
+{
+	#[inline]
+	fn is_false(self) -> impl Future<Output = bool> + Send { self.eq(&false) }
+
+	#[inline]
+	fn is_true(self) -> impl Future<Output = bool> + Send { self.eq(&true) }
+}
+
+impl<Fut> ReadyBoolExt for Fut where Fut: Future<Output = bool> + Send {}