std: Add issues to all unstable features

src/libcore/num/dec2flt/mod.rs

@@ -92,7 +92,8 @@
 
 #![doc(hidden)]
 #![unstable(feature = "dec2flt",
-            reason = "internal routines only exposed for testing")]
+            reason = "internal routines only exposed for testing",
+            issue = "0")]
 
 use prelude::v1::*;
 use num::ParseFloatError as PFE;

src/libstd/ascii.rs

@@ -117,7 +117,7 @@ pub trait AsciiExt {
     ///
     /// assert_eq!('A', ascii);
     /// ```
-    #[unstable(feature = "ascii")]
+    #[unstable(feature = "ascii", issue = "27809")]
     fn make_ascii_uppercase(&mut self);
 
     /// Converts this type to its ASCII lower case equivalent in-place.
@@ -137,7 +137,7 @@ pub trait AsciiExt {
     ///
     /// assert_eq!('a', ascii);
     /// ```
-    #[unstable(feature = "ascii")]
+    #[unstable(feature = "ascii", issue = "27809")]
     fn make_ascii_lowercase(&mut self);
 }
 

src/libstd/collections/hash/map.rs

@@ -553,7 +553,8 @@ impl<K, V, S> HashMap<K, V, S>
     /// map.insert(1, 2);
     /// ```
     #[inline]
-    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear")]
+    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear",
+               issue = "27713")]
     pub fn with_hash_state(hash_state: S) -> HashMap<K, V, S> {
         HashMap {
             hash_state:    hash_state,
@@ -583,7 +584,8 @@ impl<K, V, S> HashMap<K, V, S>
     /// map.insert(1, 2);
     /// ```
     #[inline]
-    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear")]
+    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear",
+               issue = "27713")]
     pub fn with_capacity_and_hash_state(capacity: usize, hash_state: S)
                                         -> HashMap<K, V, S> {
         let resize_policy = DefaultResizePolicy::new();
@@ -998,7 +1000,8 @@ impl<K, V, S> HashMap<K, V, S>
     /// ```
     #[inline]
     #[unstable(feature = "drain",
-               reason = "matches collection reform specification, waiting for dust to settle")]
+               reason = "matches collection reform specification, waiting for dust to settle",
+               issue = "27711")]
     pub fn drain(&mut self) -> Drain<K, V> {
         fn last_two<A, B, C>((_, b, c): (A, B, C)) -> (B, C) { (b, c) }
         let last_two: fn((SafeHash, K, V)) -> (K, V) = last_two; // coerce to fn pointer
@@ -1311,7 +1314,8 @@ impl<'a, K, V> Clone for Values<'a, K, V> {
 
 /// HashMap drain iterator.
 #[unstable(feature = "drain",
-           reason = "matches collection reform specification, waiting for dust to settle")]
+           reason = "matches collection reform specification, waiting for dust to settle",
+           issue = "27711")]
 pub struct Drain<'a, K: 'a, V: 'a> {
     inner: iter::Map<table::Drain<'a, K, V>, fn((SafeHash, K, V)) -> (K, V)>
 }
@@ -1587,14 +1591,16 @@ impl<K, V, S> Extend<(K, V)> for HashMap<K, V, S>
 /// instances are unlikely to produce the same result for the same values.
 #[derive(Clone)]
 #[unstable(feature = "hashmap_hasher",
-           reason = "hashing an hash maps may be altered")]
+           reason = "hashing an hash maps may be altered",
+           issue = "27713")]
 pub struct RandomState {
     k0: u64,
     k1: u64,
 }
 
 #[unstable(feature = "hashmap_hasher",
-           reason = "hashing an hash maps may be altered")]
+           reason = "hashing an hash maps may be altered",
+           issue = "27713")]
 impl RandomState {
     /// Constructs a new `RandomState` that is initialized with random keys.
     #[inline]
@@ -1606,7 +1612,8 @@ impl RandomState {
 }
 
 #[unstable(feature = "hashmap_hasher",
-           reason = "hashing an hash maps may be altered")]
+           reason = "hashing an hash maps may be altered",
+           issue = "27713")]
 impl HashState for RandomState {
     type Hasher = SipHasher;
     #[inline]

src/libstd/collections/hash/set.rs

@@ -164,7 +164,8 @@ impl<T, S> HashSet<T, S>
     /// set.insert(2);
     /// ```
     #[inline]
-    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear")]
+    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear",
+               issue = "27713")]
     pub fn with_hash_state(hash_state: S) -> HashSet<T, S> {
         HashSet::with_capacity_and_hash_state(INITIAL_CAPACITY, hash_state)
     }
@@ -190,7 +191,8 @@ impl<T, S> HashSet<T, S>
     /// set.insert(1);
     /// ```
     #[inline]
-    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear")]
+    #[unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear",
+               issue = "27713")]
     pub fn with_capacity_and_hash_state(capacity: usize, hash_state: S)
                                         -> HashSet<T, S> {
         HashSet {
@@ -411,7 +413,8 @@ impl<T, S> HashSet<T, S>
     /// Clears the set, returning all elements in an iterator.
     #[inline]
     #[unstable(feature = "drain",
-               reason = "matches collection reform specification, waiting for dust to settle")]
+               reason = "matches collection reform specification, waiting for dust to settle",
+               issue = "27711")]
     pub fn drain(&mut self) -> Drain<T> {
         fn first<A, B>((a, _): (A, B)) -> A { a }
         let first: fn((T, ())) -> T = first; // coerce to fn pointer

src/libstd/collections/hash/state.rs

@@ -8,7 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear")]
+#![unstable(feature = "hashmap_hasher", reason = "hasher stuff is unclear",
+            issue = "27713")]
 
 use clone::Clone;
 use default::Default;

src/libstd/collections/mod.rs

@@ -410,7 +410,8 @@ pub mod hash_set {
 
 /// Experimental support for providing custom hash algorithms to a HashMap and
 /// HashSet.
-#[unstable(feature = "hashmap_hasher", reason = "module was recently added")]
+#[unstable(feature = "hashmap_hasher", reason = "module was recently added",
+           issue = "27713")]
 pub mod hash_state {
     pub use super::hash::state::*;
 }

src/libstd/dynamic_lib.rs

@@ -14,7 +14,8 @@
 
 #![unstable(feature = "dynamic_lib",
             reason = "API has not been scrutinized and is highly likely to \
-                      either disappear or change")]
+                      either disappear or change",
+            issue = "27810")]
 #![allow(missing_docs)]
 
 use prelude::v1::*;

src/libstd/error.rs

@@ -78,7 +78,8 @@ pub trait Error: Debug + Display + Reflect {
     /// Get the `TypeId` of `self`
     #[doc(hidden)]
     #[unstable(feature = "error_type_id",
-               reason = "unclear whether to commit to this public implementation detail")]
+               reason = "unclear whether to commit to this public implementation detail",
+               issue = "27745")]
     fn type_id(&self) -> TypeId where Self: 'static {
         TypeId::of::<Self>()
     }

src/libstd/ffi/c_str.rs

@@ -205,7 +205,8 @@ impl CString {
     /// The only appropriate argument is a pointer obtained by calling
     /// `into_ptr`. The length of the string will be recalculated
     /// using the pointer.
-    #[unstable(feature = "cstr_memory", reason = "recently added")]
+    #[unstable(feature = "cstr_memory", reason = "recently added",
+               issue = "27769")]
     // NB: may want to be called from_raw, needs to consider CStr::from_ptr,
     //     Box::from_raw (or whatever it's currently called), and
     //     slice::from_raw_parts
@@ -223,7 +224,8 @@ impl CString {
     /// this string.
     ///
     /// Failure to call `from_ptr` will lead to a memory leak.
-    #[unstable(feature = "cstr_memory", reason = "recently added")]
+    #[unstable(feature = "cstr_memory", reason = "recently added",
+               issue = "27769")]
     // NB: may want to be called into_raw, see comments on from_ptr
     pub fn into_ptr(self) -> *const libc::c_char {
         // It is important that the bytes be sized to fit - we need
@@ -407,11 +409,13 @@ impl CStr {
     /// > after a 0-cost cast, but it is planned to alter its definition in the
     /// > future to perform the length calculation in addition to the UTF-8
     /// > check whenever this method is called.
-    #[unstable(feature = "cstr_to_str", reason = "recently added")]
+    #[unstable(feature = "cstr_to_str", reason = "recently added",
+               issue = "27764")]
     pub fn to_str(&self) -> Result<&str, str::Utf8Error> {
-        // NB: When CStr is changed to perform the length check in .to_bytes() instead of in
-        // from_ptr(), it may be worth considering if this should be rewritten to do the UTF-8
-        // check inline with the length calculation instead of doing it afterwards.
+        // NB: When CStr is changed to perform the length check in .to_bytes()
+        // instead of in from_ptr(), it may be worth considering if this should
+        // be rewritten to do the UTF-8 check inline with the length calculation
+        // instead of doing it afterwards.
         str::from_utf8(self.to_bytes())
     }
 
@@ -426,7 +430,8 @@ impl CStr {
     /// > after a 0-cost cast, but it is planned to alter its definition in the
     /// > future to perform the length calculation in addition to the UTF-8
     /// > check whenever this method is called.
-    #[unstable(feature = "cstr_to_str", reason = "recently added")]
+    #[unstable(feature = "cstr_to_str", reason = "recently added",
+               issue = "27764")]
     pub fn to_string_lossy(&self) -> Cow<str> {
         String::from_utf8_lossy(self.to_bytes())
     }

src/libstd/ffi/os_str.rs

@@ -29,9 +29,6 @@
 //! for conversion to/from various other string types. Eventually these types
 //! will offer a full-fledged string API.
 
-#![unstable(feature = "os_str",
-            reason = "recently added as part of path/io reform")]
-
 use borrow::{Borrow, Cow, ToOwned};
 use ffi::CString;
 use fmt::{self, Debug};
@@ -74,7 +71,7 @@ impl OsString {
     ///
     /// On Windows system, only UTF-8 byte sequences will successfully
     /// convert; non UTF-8 data will produce `None`.
-    #[unstable(feature = "convert", reason = "recently added")]
+    #[unstable(feature = "convert", reason = "recently added", issue = "27704")]
     pub fn from_bytes<B>(bytes: B) -> Option<OsString> where B: Into<Vec<u8>> {
         #[cfg(unix)]
         fn from_bytes_inner(vec: Vec<u8>) -> Option<OsString> {
@@ -258,7 +255,7 @@ impl OsStr {
     /// On Windows systems, this returns `None` unless the `OsStr` is
     /// valid unicode, in which case it produces UTF-8-encoded
     /// data. This may entail checking validity.
-    #[unstable(feature = "convert", reason = "recently added")]
+    #[unstable(feature = "convert", reason = "recently added", issue = "27704")]
     pub fn to_bytes(&self) -> Option<&[u8]> {
         if cfg!(windows) {
             self.to_str().map(|s| s.as_bytes())
@@ -274,7 +271,7 @@ impl OsStr {
     /// This is a convenience for creating a `CString` from
     /// `self.to_bytes()`, and inherits the platform behavior of the
     /// `to_bytes` method.
-    #[unstable(feature = "convert", reason = "recently added")]
+    #[unstable(feature = "convert", reason = "recently added", issue = "27704")]
     pub fn to_cstring(&self) -> Option<CString> {
         self.to_bytes().and_then(|b| CString::new(b).ok())
     }

src/libstd/fs.rs

@@ -88,7 +88,8 @@ pub struct DirEntry(fs_imp::DirEntry);
 #[unstable(feature = "fs_walk",
            reason = "the precise semantics and defaults for a recursive walk \
                      may change and this may end up accounting for files such \
-                     as symlinks differently")]
+                     as symlinks differently",
+           issue = "27707")]
 pub struct WalkDir {
     cur: Option<ReadDir>,
     stack: Vec<io::Result<ReadDir>>,
@@ -154,7 +155,8 @@ pub struct FileType(fs_imp::FileType);
 /// A builder used to create directories in various manners.
 ///
 /// This builder also supports platform-specific options.
-#[unstable(feature = "dir_builder", reason = "recently added API")]
+#[unstable(feature = "dir_builder", reason = "recently added API",
+           issue = "27710")]
 pub struct DirBuilder {
     inner: fs_imp::DirBuilder,
     recursive: bool,
@@ -949,7 +951,8 @@ pub fn read_link<P: AsRef<Path>>(path: P) -> io::Result<PathBuf> {
 
 /// Returns the canonical form of a path with all intermediate components
 /// normalized and symbolic links resolved.
-#[unstable(feature = "fs_canonicalize", reason = "recently added API")]
+#[unstable(feature = "fs_canonicalize", reason = "recently added API",
+           issue = "27706")]
 pub fn canonicalize<P: AsRef<Path>>(path: P) -> io::Result<PathBuf> {
     fs_imp::canonicalize(path.as_ref())
 }
@@ -1107,13 +1110,14 @@ pub fn read_dir<P: AsRef<Path>>(path: P) -> io::Result<ReadDir> {
 #[unstable(feature = "fs_walk",
            reason = "the precise semantics and defaults for a recursive walk \
                      may change and this may end up accounting for files such \
-                     as symlinks differently")]
+                     as symlinks differently",
+           issue = "27707")]
 pub fn walk_dir<P: AsRef<Path>>(path: P) -> io::Result<WalkDir> {
     let start = try!(read_dir(path));
     Ok(WalkDir { cur: Some(start), stack: Vec::new() })
 }
 
-#[unstable(feature = "fs_walk")]
+#[unstable(feature = "fs_walk", issue = "27707")]
 impl Iterator for WalkDir {
     type Item = io::Result<DirEntry>;
 
@@ -1146,7 +1150,8 @@ impl Iterator for WalkDir {
 #[unstable(feature = "path_ext",
            reason = "The precise set of methods exposed on this trait may \
                      change and some methods may be removed.  For stable code, \
-                     see the std::fs::metadata function.")]
+                     see the std::fs::metadata function.",
+           issue = "27725")]
 pub trait PathExt {
     /// Gets information on the file, directory, etc at this path.
     ///
@@ -1242,7 +1247,8 @@ pub fn set_permissions<P: AsRef<Path>>(path: P, perm: Permissions)
     fs_imp::set_perm(path.as_ref(), perm.0)
 }
 
-#[unstable(feature = "dir_builder", reason = "recently added API")]
+#[unstable(feature = "dir_builder", reason = "recently added API",
+           issue = "27710")]
 impl DirBuilder {
     /// Creates a new set of options with default mode/security settings for all
     /// platforms and also non-recursive.

src/libstd/io/error.rs

@@ -150,7 +150,8 @@ pub enum ErrorKind {
     /// Any I/O error not part of this list.
     #[unstable(feature = "io_error_internals",
                reason = "better expressed through extensible enums that this \
-                         enum cannot be exhaustively matched against")]
+                         enum cannot be exhaustively matched against",
+               issue = "0")]
     #[doc(hidden)]
     __Nonexhaustive,
 }