Remove unnecessary pattern in Inspect trait method

Sebastian Wicki · Sebastian Wicki · commit 577d76fddc2a · 2017-02-13T17:00:39.000+01:00
These are deprecated and will become a hard error in the future, see rust-lang/rust#35203
diff --git a/src/dataflow/operators/inspect.rs b/src/dataflow/operators/inspect.rs
@@ -30,7 +30,7 @@ pub trait Inspect<G: Scope, D: Data> {
     ///            .inspect_batch(|t,xs| println!("seen at: {:?}\t{:?} records", t, xs.len()));
     /// });
     /// ```
-    fn inspect_batch<F: FnMut(&G::Timestamp, &[D])+'static>(&self, mut func: F) -> Self;
+    fn inspect_batch<F: FnMut(&G::Timestamp, &[D])+'static>(&self, func: F) -> Self;
 }
 
 impl<G: Scope, D: Data> Inspect<G, D> for Stream<G, D> {

Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,7 @@ pub trait Inspect<G: Scope, D: Data> {`
`30`	`30`	`/// .inspect_batch(\|t,xs\| println!("seen at: {:?}\t{:?} records", t, xs.len()));`
`31`	`31`	`/// });`
`32`	`32`	/// ```
`33`		`- fn inspect_batch<F: FnMut(&G::Timestamp, &[D])+'static>(&self, mut func: F) -> Self;`
	`33`	`+ fn inspect_batch<F: FnMut(&G::Timestamp, &[D])+'static>(&self, func: F) -> Self;`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`impl<G: Scope, D: Data> Inspect<G, D> for Stream<G, D> {`