style(hydroflow): Never -> std::convert::Infallible (#1093)

Author: MingweiSamuel

hydroflow/src/lib.rs

@@ -47,9 +47,8 @@ pub use hydroflow_macro::{
 };
 
 #[cfg(not(nightly))]
-#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
 /// Stand-in for the [nightly "never" type `!`](https://doc.rust-lang.org/std/primitive.never.html)
-pub enum Never {}
+pub type Never = std::convert::Infallible;
 #[cfg(nightly)]
 pub type Never = !;
 

hydroflow/src/scheduled/graph.rs

@@ -343,7 +343,7 @@ impl<'a> Hydroflow<'a> {
 
     /// Runs the dataflow graph forever.
     ///
-    /// TODO(mingwei): Currently blockes forever, no notion of "completion."
+    /// TODO(mingwei): Currently blocks forever, no notion of "completion."
     #[tracing::instrument(level = "trace", skip(self), ret)]
     pub fn run(&mut self) -> Option<Never> {
         loop {
@@ -353,7 +353,7 @@ impl<'a> Hydroflow<'a> {
 
     /// Runs the dataflow graph forever.
     ///
-    /// TODO(mingwei): Currently blockes forever, no notion of "completion."
+    /// TODO(mingwei): Currently blocks forever, no notion of "completion."
     #[tracing::instrument(level = "trace", skip(self), ret)]
     pub async fn run_async(&mut self) -> Option<Never> {
         self.context.spawn_tasks();