tracking issue for fmt::DisplayAsDebug is rust-lang#49128

Author: Centril

src/liballoc/fmt.rs

@@ -528,7 +528,7 @@ pub use core::fmt::{ArgumentV1, Arguments, write};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::fmt::{DebugList, DebugMap, DebugSet, DebugStruct, DebugTuple};
 
-#[unstable(feature = "display_as_debug", issue = "0")]
+#[unstable(feature = "display_as_debug", issue = "49128")]
 pub use core::fmt::DisplayAsDebug;
 
 use string;

src/libcore/fmt/builders.rs

@@ -593,12 +593,12 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
 /// assert_eq!(format!("{:?}", Table(&*table, 0)),
 ///            "{0 => 1, 1 => 2, _ => 0}");
 /// ```
-#[unstable(feature = "display_as_debug", issue = "0")]
+#[unstable(feature = "display_as_debug", issue = "49128")]
 #[must_use]
 #[derive(Copy, Clone)]
 pub struct DisplayAsDebug<T>(pub T);
 
-#[unstable(feature = "display_as_debug", issue = "0")]
+#[unstable(feature = "display_as_debug", issue = "49128")]
 impl<T: fmt::Display> fmt::Debug for DisplayAsDebug<T> {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         <T as fmt::Display>::fmt(&self.0, fmt)

src/libcore/fmt/mod.rs

@@ -42,7 +42,7 @@ pub enum Alignment {
 #[stable(feature = "debug_builders", since = "1.2.0")]
 pub use self::builders::{DebugStruct, DebugTuple, DebugSet, DebugList, DebugMap};
 
-#[unstable(feature = "display_as_debug", issue = "0")]
+#[unstable(feature = "display_as_debug", issue = "49128")]
 pub use self::builders::DisplayAsDebug;
 
 #[unstable(feature = "fmt_internals", reason = "internal to format_args!",