Auto merge of #27860 - m4rw3r:rustdoc_unstable_feature_issue, r=alexcrichton

Implemented #27759 

Example:

![screen shot 2015-08-16 at 21 45 17](https://cloud.githubusercontent.com/assets/108100/9295040/1fb24d50-4460-11e5-8ab8-81ac5330974a.png)
This commit is contained in:
bors 2015-08-22 08:16:53 +00:00
commit e9b74a9017
10 changed files with 125 additions and 62 deletions

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@ -69,6 +69,7 @@
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
test(no_crate_inject))]
#![no_std]
#![cfg_attr(not(stage0), needs_allocator)]

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@ -26,6 +26,7 @@
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
test(no_crate_inject))]
#![allow(trivial_casts)]

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@ -58,7 +58,8 @@
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/")]
html_playground_url = "https://play.rust-lang.org/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")]
#![doc(test(no_crate_inject))]
#![no_core]

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@ -21,7 +21,8 @@
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/")]
html_playground_url = "https://play.rust-lang.org/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")]
#![cfg_attr(test, feature(test))]
//! Bindings for the C standard library and other platform libraries

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@ -30,6 +30,7 @@
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
test(no_crate_inject))]
#![no_std]

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@ -2688,7 +2688,8 @@ pub struct Stability {
pub feature: String,
pub since: String,
pub deprecated_since: String,
pub reason: String
pub reason: String,
pub issue: Option<u32>
}
impl Clean<Stability> for attr::Stability {
@ -2702,6 +2703,7 @@ fn clean(&self, _: &DocContext) -> Stability {
|istr| istr.to_string()),
reason: self.reason.as_ref().map_or("".to_string(),
|interned| interned.to_string()),
issue: self.issue,
}
}
}
@ -2717,6 +2719,7 @@ fn clean(&self, _: &DocContext) -> Stability {
|istr| istr.to_string()),
reason: self.reason.as_ref().map_or("".to_string(),
|interned| interned.to_string()),
issue: self.issue,
}
}
}

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@ -103,6 +103,9 @@ pub struct Context {
pub render_redirect_pages: bool,
/// All the passes that were run on this crate.
pub passes: HashSet<String>,
/// The base-URL of the issue tracker for when an item has been tagged with
/// an issue number.
pub issue_tracker_base_url: Option<String>,
}
/// Indicates where an external crate can be found.
@ -323,6 +326,7 @@ pub fn run(mut krate: clean::Crate,
},
include_sources: true,
render_redirect_pages: false,
issue_tracker_base_url: None,
};
try!(mkdir(&cx.dst));
@ -352,6 +356,10 @@ pub fn run(mut krate: clean::Crate,
}
});
}
clean::NameValue(ref x, ref s)
if "issue_tracker_base_url" == *x => {
cx.issue_tracker_base_url = Some(s.to_string());
}
clean::Word(ref x)
if "html_no_source" == *x => {
cx.include_sources = false;
@ -1485,16 +1493,16 @@ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
item_module(fmt, self.cx, self.item, &m.items)
}
clean::FunctionItem(ref f) | clean::ForeignFunctionItem(ref f) =>
item_function(fmt, self.item, f),
item_function(fmt, self.cx, self.item, f),
clean::TraitItem(ref t) => item_trait(fmt, self.cx, self.item, t),
clean::StructItem(ref s) => item_struct(fmt, self.item, s),
clean::EnumItem(ref e) => item_enum(fmt, self.item, e),
clean::TypedefItem(ref t, _) => item_typedef(fmt, self.item, t),
clean::MacroItem(ref m) => item_macro(fmt, self.item, m),
clean::PrimitiveItem(ref p) => item_primitive(fmt, self.item, p),
clean::StructItem(ref s) => item_struct(fmt, self.cx, self.item, s),
clean::EnumItem(ref e) => item_enum(fmt, self.cx, self.item, e),
clean::TypedefItem(ref t, _) => item_typedef(fmt, self.cx, self.item, t),
clean::MacroItem(ref m) => item_macro(fmt, self.cx, self.item, m),
clean::PrimitiveItem(ref p) => item_primitive(fmt, self.cx, self.item, p),
clean::StaticItem(ref i) | clean::ForeignStaticItem(ref i) =>
item_static(fmt, self.item, i),
clean::ConstantItem(ref c) => item_constant(fmt, self.item, c),
item_static(fmt, self.cx, self.item, i),
clean::ConstantItem(ref c) => item_constant(fmt, self.cx, self.item, c),
_ => Ok(())
}
}
@ -1537,8 +1545,8 @@ fn plain_summary_line(s: Option<&str>) -> String {
markdown::plain_summary_line(&line[..])
}
fn document(w: &mut fmt::Formatter, item: &clean::Item) -> fmt::Result {
if let Some(s) = short_stability(item, true) {
fn document(w: &mut fmt::Formatter, cx: &Context, item: &clean::Item) -> fmt::Result {
if let Some(s) = short_stability(item, cx, true) {
try!(write!(w, "<div class='stability'>{}</div>", s));
}
if let Some(s) = item.doc_value() {
@ -1549,7 +1557,7 @@ fn document(w: &mut fmt::Formatter, item: &clean::Item) -> fmt::Result {
fn item_module(w: &mut fmt::Formatter, cx: &Context,
item: &clean::Item, items: &[clean::Item]) -> fmt::Result {
try!(document(w, item));
try!(document(w, cx, item));
let mut indices = (0..items.len()).filter(|i| {
!cx.ignore_private_item(&items[*i])
@ -1657,7 +1665,7 @@ fn cmp(i1: &clean::Item, i2: &clean::Item, idx1: usize, idx2: usize) -> Ordering
_ => {
if myitem.name.is_none() { continue }
let stab_docs = if let Some(s) = short_stability(myitem, false) {
let stab_docs = if let Some(s) = short_stability(myitem, cx, false) {
format!("[{}]", s)
} else {
String::new()
@ -1685,7 +1693,7 @@ fn cmp(i1: &clean::Item, i2: &clean::Item, idx1: usize, idx2: usize) -> Ordering
write!(w, "</table>")
}
fn short_stability(item: &clean::Item, show_reason: bool) -> Option<String> {
fn short_stability(item: &clean::Item, cx: &Context, show_reason: bool) -> Option<String> {
item.stability.as_ref().and_then(|stab| {
let reason = if show_reason && !stab.reason.is_empty() {
format!(": {}", stab.reason)
@ -1700,7 +1708,22 @@ fn short_stability(item: &clean::Item, show_reason: bool) -> Option<String> {
};
format!("Deprecated{}{}", since, Markdown(&reason))
} else if stab.level == attr::Unstable {
format!("Unstable{}", Markdown(&reason))
let unstable_extra = if show_reason {
match (!stab.feature.is_empty(), &cx.issue_tracker_base_url, stab.issue) {
(true, &Some(ref tracker_url), Some(issue_no)) =>
format!(" (<code>{}</code> <a href=\"{}{}\">#{}</a>)",
Escape(&stab.feature), tracker_url, issue_no, issue_no),
(false, &Some(ref tracker_url), Some(issue_no)) =>
format!(" (<a href=\"{}{}\">#{}</a>)", Escape(&tracker_url), issue_no,
issue_no),
(true, _, _) =>
format!(" (<code>{}</code>)", Escape(&stab.feature)),
_ => String::new(),
}
} else {
String::new()
};
format!("Unstable{}{}", unstable_extra, Markdown(&reason))
} else {
return None
};
@ -1720,7 +1743,7 @@ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
}
}
fn item_constant(w: &mut fmt::Formatter, it: &clean::Item,
fn item_constant(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
c: &clean::Constant) -> fmt::Result {
try!(write!(w, "<pre class='rust const'>{vis}const \
{name}: {typ}{init}</pre>",
@ -1728,10 +1751,10 @@ fn item_constant(w: &mut fmt::Formatter, it: &clean::Item,
name = it.name.as_ref().unwrap(),
typ = c.type_,
init = Initializer(&c.expr)));
document(w, it)
document(w, cx, it)
}
fn item_static(w: &mut fmt::Formatter, it: &clean::Item,
fn item_static(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
s: &clean::Static) -> fmt::Result {
try!(write!(w, "<pre class='rust static'>{vis}static {mutability}\
{name}: {typ}{init}</pre>",
@ -1740,10 +1763,10 @@ fn item_static(w: &mut fmt::Formatter, it: &clean::Item,
name = it.name.as_ref().unwrap(),
typ = s.type_,
init = Initializer(&s.expr)));
document(w, it)
document(w, cx, it)
}
fn item_function(w: &mut fmt::Formatter, it: &clean::Item,
fn item_function(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
f: &clean::Function) -> fmt::Result {
try!(write!(w, "<pre class='rust fn'>{vis}{unsafety}{abi}{constness}fn \
{name}{generics}{decl}{where_clause}</pre>",
@ -1755,7 +1778,7 @@ fn item_function(w: &mut fmt::Formatter, it: &clean::Item,
generics = f.generics,
where_clause = WhereClause(&f.generics),
decl = f.decl));
document(w, it)
document(w, cx, it)
}
fn item_trait(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
@ -1832,9 +1855,9 @@ fn item_trait(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
try!(write!(w, "</pre>"));
// Trait documentation
try!(document(w, it));
try!(document(w, cx, it));
fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
fn trait_item(w: &mut fmt::Formatter, cx: &Context, m: &clean::Item)
-> fmt::Result {
try!(write!(w, "<h3 id='{ty}.{name}' class='method stab {stab}'><code>",
ty = shortty(m),
@ -1842,7 +1865,7 @@ fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
stab = m.stability_class()));
try!(render_assoc_item(w, m, AssocItemLink::Anchor));
try!(write!(w, "</code></h3>"));
try!(document(w, m));
try!(document(w, cx, m));
Ok(())
}
@ -1852,7 +1875,7 @@ fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
<div class='methods'>
"));
for t in &types {
try!(trait_item(w, *t));
try!(trait_item(w, cx, *t));
}
try!(write!(w, "</div>"));
}
@ -1863,7 +1886,7 @@ fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
<div class='methods'>
"));
for t in &consts {
try!(trait_item(w, *t));
try!(trait_item(w, cx, *t));
}
try!(write!(w, "</div>"));
}
@ -1875,7 +1898,7 @@ fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
<div class='methods'>
"));
for m in &required {
try!(trait_item(w, *m));
try!(trait_item(w, cx, *m));
}
try!(write!(w, "</div>"));
}
@ -1885,13 +1908,13 @@ fn trait_item(w: &mut fmt::Formatter, m: &clean::Item)
<div class='methods'>
"));
for m in &provided {
try!(trait_item(w, *m));
try!(trait_item(w, cx, *m));
}
try!(write!(w, "</div>"));
}
// If there are methods directly on this trait object, render them here.
try!(render_assoc_items(w, it.def_id, AssocItemRender::All));
try!(render_assoc_items(w, cx, it.def_id, AssocItemRender::All));
let cache = cache();
try!(write!(w, "
@ -2003,7 +2026,7 @@ fn method(w: &mut fmt::Formatter,
}
}
fn item_struct(w: &mut fmt::Formatter, it: &clean::Item,
fn item_struct(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
s: &clean::Struct) -> fmt::Result {
try!(write!(w, "<pre class='rust struct'>"));
try!(render_attributes(w, it));
@ -2016,7 +2039,7 @@ fn item_struct(w: &mut fmt::Formatter, it: &clean::Item,
true));
try!(write!(w, "</pre>"));
try!(document(w, it));
try!(document(w, cx, it));
let mut fields = s.fields.iter().filter(|f| {
match f.inner {
clean::StructFieldItem(clean::HiddenStructField) => false,
@ -2033,16 +2056,16 @@ fn item_struct(w: &mut fmt::Formatter, it: &clean::Item,
<code>{name}</code></td><td>",
stab = field.stability_class(),
name = field.name.as_ref().unwrap()));
try!(document(w, field));
try!(document(w, cx, field));
try!(write!(w, "</td></tr>"));
}
try!(write!(w, "</table>"));
}
}
render_assoc_items(w, it.def_id, AssocItemRender::All)
render_assoc_items(w, cx, it.def_id, AssocItemRender::All)
}
fn item_enum(w: &mut fmt::Formatter, it: &clean::Item,
fn item_enum(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
e: &clean::Enum) -> fmt::Result {
try!(write!(w, "<pre class='rust enum'>"));
try!(render_attributes(w, it));
@ -2095,13 +2118,13 @@ fn item_enum(w: &mut fmt::Formatter, it: &clean::Item,
}
try!(write!(w, "</pre>"));
try!(document(w, it));
try!(document(w, cx, it));
if !e.variants.is_empty() {
try!(write!(w, "<h2 class='variants'>Variants</h2>\n<table>"));
for variant in &e.variants {
try!(write!(w, "<tr><td id='variant.{name}'><code>{name}</code></td><td>",
name = variant.name.as_ref().unwrap()));
try!(document(w, variant));
try!(document(w, cx, variant));
match variant.inner {
clean::VariantItem(ref var) => {
match var.kind {
@ -2123,7 +2146,7 @@ fn item_enum(w: &mut fmt::Formatter, it: &clean::Item,
<code>{f}</code></td><td>",
v = variant.name.as_ref().unwrap(),
f = field.name.as_ref().unwrap()));
try!(document(w, field));
try!(document(w, cx, field));
try!(write!(w, "</td></tr>"));
}
try!(write!(w, "</table>"));
@ -2138,7 +2161,7 @@ fn item_enum(w: &mut fmt::Formatter, it: &clean::Item,
try!(write!(w, "</table>"));
}
try!(render_assoc_items(w, it.def_id, AssocItemRender::All));
try!(render_assoc_items(w, cx, it.def_id, AssocItemRender::All));
Ok(())
}
@ -2233,6 +2256,7 @@ enum AssocItemRender<'a> {
}
fn render_assoc_items(w: &mut fmt::Formatter,
cx: &Context,
it: ast::DefId,
what: AssocItemRender) -> fmt::Result {
let c = cache();
@ -2256,7 +2280,7 @@ fn render_assoc_items(w: &mut fmt::Formatter,
}
};
for i in &non_trait {
try!(render_impl(w, i, AssocItemLink::Anchor, render_header));
try!(render_impl(w, cx, i, AssocItemLink::Anchor, render_header));
}
}
if let AssocItemRender::DerefFor { .. } = what {
@ -2272,7 +2296,7 @@ fn render_assoc_items(w: &mut fmt::Formatter,
}
});
if let Some(impl_) = deref_impl {
try!(render_deref_methods(w, impl_));
try!(render_deref_methods(w, cx, impl_));
}
try!(write!(w, "<h2 id='implementations'>Trait \
Implementations</h2>"));
@ -2281,7 +2305,7 @@ fn render_assoc_items(w: &mut fmt::Formatter,
});
for i in &manual {
let did = i.trait_did().unwrap();
try!(render_impl(w, i, AssocItemLink::GotoSource(did), true));
try!(render_impl(w, cx, i, AssocItemLink::GotoSource(did), true));
}
if !derived.is_empty() {
try!(write!(w, "<h3 id='derived_implementations'>\
@ -2289,14 +2313,14 @@ fn render_assoc_items(w: &mut fmt::Formatter,
</h3>"));
for i in &derived {
let did = i.trait_did().unwrap();
try!(render_impl(w, i, AssocItemLink::GotoSource(did), true));
try!(render_impl(w, cx, i, AssocItemLink::GotoSource(did), true));
}
}
}
Ok(())
}
fn render_deref_methods(w: &mut fmt::Formatter, impl_: &Impl) -> fmt::Result {
fn render_deref_methods(w: &mut fmt::Formatter, cx: &Context, impl_: &Impl) -> fmt::Result {
let deref_type = impl_.impl_.trait_.as_ref().unwrap();
let target = impl_.impl_.items.iter().filter_map(|item| {
match item.inner {
@ -2306,12 +2330,12 @@ fn render_deref_methods(w: &mut fmt::Formatter, impl_: &Impl) -> fmt::Result {
}).next().expect("Expected associated type binding");
let what = AssocItemRender::DerefFor { trait_: deref_type, type_: target };
match *target {
clean::ResolvedPath { did, .. } => render_assoc_items(w, did, what),
clean::ResolvedPath { did, .. } => render_assoc_items(w, cx, did, what),
_ => {
if let Some(prim) = target.primitive_type() {
if let Some(c) = cache().primitive_locations.get(&prim) {
let did = ast::DefId { krate: *c, node: prim.to_node_id() };
try!(render_assoc_items(w, did, what));
try!(render_assoc_items(w, cx, did, what));
}
}
Ok(())
@ -2322,7 +2346,7 @@ fn render_deref_methods(w: &mut fmt::Formatter, impl_: &Impl) -> fmt::Result {
// Render_header is false when we are rendering a `Deref` impl and true
// otherwise. If render_header is false, we will avoid rendering static
// methods, since they are not accessible for the type implementing `Deref`
fn render_impl(w: &mut fmt::Formatter, i: &Impl, link: AssocItemLink,
fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLink,
render_header: bool) -> fmt::Result {
if render_header {
try!(write!(w, "<h3 class='impl'><code>{}</code></h3>", i.impl_));
@ -2331,7 +2355,7 @@ fn render_impl(w: &mut fmt::Formatter, i: &Impl, link: AssocItemLink,
}
}
fn doctraititem(w: &mut fmt::Formatter, item: &clean::Item,
fn doctraititem(w: &mut fmt::Formatter, cx: &Context, item: &clean::Item,
link: AssocItemLink, render_static: bool) -> fmt::Result {
match item.inner {
clean::MethodItem(..) | clean::TyMethodItem(..) => {
@ -2381,7 +2405,7 @@ fn doctraititem(w: &mut fmt::Formatter, item: &clean::Item,
if is_static_method(item) && !render_static {
Ok(())
} else {
document(w, item)
document(w, cx, item)
}
} else {
Ok(())
@ -2398,10 +2422,11 @@ fn is_static_method(item: &clean::Item) -> bool {
try!(write!(w, "<div class='impl-items'>"));
for trait_item in &i.impl_.items {
try!(doctraititem(w, trait_item, link, render_header));
try!(doctraititem(w, cx, trait_item, link, render_header));
}
fn render_default_items(w: &mut fmt::Formatter,
cx: &Context,
did: ast::DefId,
t: &clean::Trait,
i: &clean::Impl,
@ -2413,7 +2438,7 @@ fn render_default_items(w: &mut fmt::Formatter,
None => {}
}
try!(doctraititem(w, trait_item, AssocItemLink::GotoSource(did), render_static));
try!(doctraititem(w, cx, trait_item, AssocItemLink::GotoSource(did), render_static));
}
Ok(())
}
@ -2424,7 +2449,7 @@ fn render_default_items(w: &mut fmt::Formatter,
// for them work.
if let Some(clean::ResolvedPath { did, .. }) = i.impl_.trait_ {
if let Some(t) = cache().traits.get(&did) {
try!(render_default_items(w, did, t, &i.impl_, render_header));
try!(render_default_items(w, cx, did, t, &i.impl_, render_header));
}
}
@ -2432,7 +2457,7 @@ fn render_default_items(w: &mut fmt::Formatter,
Ok(())
}
fn item_typedef(w: &mut fmt::Formatter, it: &clean::Item,
fn item_typedef(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
t: &clean::Typedef) -> fmt::Result {
try!(write!(w, "<pre class='rust typedef'>type {}{}{where_clause} = {type_};</pre>",
it.name.as_ref().unwrap(),
@ -2440,7 +2465,7 @@ fn item_typedef(w: &mut fmt::Formatter, it: &clean::Item,
where_clause = WhereClause(&t.generics),
type_ = t.type_));
document(w, it)
document(w, cx, it)
}
impl<'a> fmt::Display for Sidebar<'a> {
@ -2511,19 +2536,19 @@ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
}
}
fn item_macro(w: &mut fmt::Formatter, it: &clean::Item,
fn item_macro(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
t: &clean::Macro) -> fmt::Result {
try!(w.write_str(&highlight::highlight(&t.source,
Some("macro"),
None)));
document(w, it)
document(w, cx, it)
}
fn item_primitive(w: &mut fmt::Formatter,
fn item_primitive(w: &mut fmt::Formatter, cx: &Context,
it: &clean::Item,
_p: &clean::PrimitiveType) -> fmt::Result {
try!(document(w, it));
render_assoc_items(w, it.def_id, AssocItemRender::All)
try!(document(w, cx, it));
render_assoc_items(w, cx, it.def_id, AssocItemRender::All)
}
fn get_basic_keywords() -> &'static str {

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@ -355,6 +355,10 @@ nav.sub {
margin-left: 20px;
}
.content .stability code {
font-size: 90%;
}
nav {
border-bottom: 1px solid #e0e0e0;
padding-bottom: 10px;
@ -387,11 +391,11 @@ a {
background: transparent;
}
.docblock a {
.docblock a, .stability a {
color: #4e8bca;
}
.docblock a:hover {
.docblock a:hover, .stability a {
text-decoration: underline;
}

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@ -195,6 +195,7 @@
html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
html_root_url = "https://doc.rust-lang.org/nightly/",
html_playground_url = "https://play.rust-lang.org/",
issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
test(no_crate_inject, attr(deny(warnings))),
test(attr(allow(dead_code, deprecated, unused_variables, unused_mut))))]

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@ -0,0 +1,25 @@
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(staged_api)]
#![staged_api]
#![doc(issue_tracker_base_url = "http://issue_url/")]
// @has issue_27759/unstable/index.html
// @has - '<code>test</code>'
// @has - '<a href="http://issue_url/27759">#27759</a>'
#[unstable(feature="test", issue="27759")]
pub mod unstable {
// @has issue_27759/unstable/fn.issue.html
// @has - '<code>test_function</code>'
// @has - '<a href="http://issue_url/1234567890">#1234567890</a>'
#[unstable(feature="test_function", issue="1234567890")]
pub fn issue() {}
}