Use existing slice_pattern feature for SlicePattern

ijackson · KodrAus · ijackson · commit f51b68199c80 · 2020-12-27T00:50:46.000Z
Co-authored-by: Ashley Mannix &lt;kodraus@hey.com&gt;
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
@@ -3219,7 +3219,7 @@ impl<T> Default for &mut [T] {
     }
 }
 
-#[unstable(feature = "x", issue = "none")]
+#[unstable(feature = "slice_pattern", reason = "stopgap trait for slice patterns", issue = "56345")]
 /// Patterns in slices - currently, only used by `strip_prefix` and `strip_suffix`.  At a future
 /// point, we hope to generalise `core::str::Pattern` (which at the time of writing is limited to
 /// `str`) to slices, and then this trait will be replaced or abolished.

Original file line number	Diff line number	Diff line change
`@@ -3219,7 +3219,7 @@ impl<T> Default for &mut [T] {`
`3219`	`3219`	`}`
`3220`	`3220`	`}`
`3221`	`3221`
`3222`		`-#[unstable(feature = "x", issue = "none")]`
	`3222`	`+#[unstable(feature = "slice_pattern", reason = "stopgap trait for slice patterns", issue = "56345")]`
`3223`	`3223`	/// Patterns in slices - currently, only used by `strip_prefix` and `strip_suffix`. At a future
`3224`	`3224`	/// point, we hope to generalise `core::str::Pattern` (which at the time of writing is limited to
`3225`	`3225`	/// `str`) to slices, and then this trait will be replaced or abolished.