Use where clause

taiki-e · Aug 11, 2019 · f971b1e · f971b1e
1 parent 959bdae
commit f971b1e
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/futures-async-stream-macro/src/utils.rs b/futures-async-stream-macro/src/utils.rs
@@ -8,7 +8,10 @@ use syn::{
     token, Expr, ExprTuple, ExprVerbatim, Result,
 };
 
-pub(crate) fn first_last<T: ToTokens>(tokens: &T) -> (Span, Span) {
+pub(crate) fn first_last<T>(tokens: &T) -> (Span, Span)
+where
+    T: ToTokens,
+{
     let mut spans = TokenStream::new();
     tokens.to_tokens(&mut spans);
     let good_tokens = spans.into_iter().collect::<Vec<_>>();

diff --git a/src/stream.rs b/src/stream.rs
@@ -87,9 +87,12 @@ struct Next<'a, S> {
     stream: &'a mut S,
 }
 
-impl<S: Unpin> Unpin for Next<'_, S> {}
+impl<S> Unpin for Next<'_, S> where S: Unpin {}
 
-impl<S: Stream + Unpin> Future for Next<'_, S> {
+impl<S> Future for Next<'_, S>
+where
+    S: Stream + Unpin,
+{
     type Output = Option<S::Item>;
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {