Reference tracking issue for more_io_inner_methods.

Author: SergioBenitez

src/doc/unstable-book/src/library-features/more-io-inner-methods.md

@@ -1,6 +1,8 @@
 # `more_io_inner_methods`
 
-The tracking issue for this feature is: None.
+The tracking issue for this feature is: [#41519]
+
+[#41519]: https://github.com/rust-lang/rust/issues/41519
 
 ------------------------
 

src/libstd/io/mod.rs

@@ -1515,7 +1515,7 @@ impl<T, U> Chain<T, U> {
     /// # Ok(())
     /// # }
     /// ```
-    #[unstable(feature = "more_io_inner_methods", issue="0")]
+    #[unstable(feature = "more_io_inner_methods", issue="41519")]
     pub fn into_inner(self) -> (T, U) {
         (self.first, self.second)
     }
@@ -1540,7 +1540,7 @@ impl<T, U> Chain<T, U> {
     /// # Ok(())
     /// # }
     /// ```
-    #[unstable(feature = "more_io_inner_methods", issue="0")]
+    #[unstable(feature = "more_io_inner_methods", issue="41519")]
     pub fn get_ref(&self) -> (&T, &U) {
         (&self.first, &self.second)
     }
@@ -1565,7 +1565,7 @@ impl<T, U> Chain<T, U> {
     /// # Ok(())
     /// # }
     /// ```
-    #[unstable(feature = "more_io_inner_methods", issue="0")]
+    #[unstable(feature = "more_io_inner_methods", issue="41519")]
     pub fn get_mut(&mut self) -> (&mut T, &mut U) {
         (&mut self.first, &mut self.second)
     }
@@ -1706,7 +1706,7 @@ impl<T> Take<T> {
     /// # Ok(())
     /// # }
     /// ```
-    #[unstable(feature = "more_io_inner_methods", issue="0")]
+    #[unstable(feature = "more_io_inner_methods", issue="41519")]
     pub fn get_ref(&self) -> &T {
         &self.inner
     }
@@ -1733,7 +1733,7 @@ impl<T> Take<T> {
     /// # Ok(())
     /// # }
     /// ```
-    #[unstable(feature = "more_io_inner_methods", issue="0")]
+    #[unstable(feature = "more_io_inner_methods", issue="41519")]
     pub fn get_mut(&mut self) -> &mut T {
         &mut self.inner
     }