Fix associated item identifiers

Search results use the mapping found in `ItemType::to_static_str` for
the identifier, which could not be found on the page in the case of
associated items.

Author: mitaa

src/librustdoc/html/render.rs

@@ -2550,25 +2550,25 @@ fn render_impl(w: &mut fmt::Formatter, cx: &Context, i: &Impl, link: AssocItemLi
                 }
             }
             clean::TypedefItem(ref tydef, _) => {
-                let id = derive_id(format!("assoc_type.{}", name));
+                let id = derive_id(format!("associatedtype.{}", name));
                 try!(write!(w, "<h4 id='{}' class='{}'><code>", id, shortty(item)));
                 try!(write!(w, "type {} = {}", name, tydef.type_));
                 try!(write!(w, "</code></h4>\n"));
             }
             clean::AssociatedConstItem(ref ty, ref default) => {
-                let id = derive_id(format!("assoc_const.{}", name));
+                let id = derive_id(format!("associatedconstant.{}", name));
                 try!(write!(w, "<h4 id='{}' class='{}'><code>", id, shortty(item)));
                 try!(assoc_const(w, item, ty, default.as_ref()));
                 try!(write!(w, "</code></h4>\n"));
             }
             clean::ConstantItem(ref c) => {
-                let id = derive_id(format!("assoc_const.{}", name));
+                let id = derive_id(format!("associatedconstant.{}", name));
                 try!(write!(w, "<h4 id='{}' class='{}'><code>", id, shortty(item)));
                 try!(assoc_const(w, item, &c.type_, Some(&c.expr)));
                 try!(write!(w, "</code></h4>\n"));
             }
             clean::AssociatedTypeItem(ref bounds, ref default) => {
-                let id = derive_id(format!("assoc_type.{}", name));
+                let id = derive_id(format!("associatedtype.{}", name));
                 try!(write!(w, "<h4 id='{}' class='{}'><code>", id, shortty(item)));
                 try!(assoc_type(w, item, bounds, default));
                 try!(write!(w, "</code></h4>\n"));

src/test/rustdoc/assoc-consts.rs

@@ -20,7 +20,7 @@ pub trait Foo {
 pub struct Bar;
 
 impl Bar {
-    // @has assoc_consts/struct.Bar.html '//*[@id="assoc_const.BAR"]' \
+    // @has assoc_consts/struct.Bar.html '//*[@id="associatedconstant.BAR"]' \
     //      'const BAR: usize = 3'
     pub const BAR: usize = 3;
 }

src/test/rustdoc/issue-21092.rs

@@ -14,5 +14,5 @@
 extern crate issue_21092;
 
 // @has issue_21092/struct.Bar.html
-// @has - '//*[@id="assoc_type.Bar"]' 'type Bar = i32'
+// @has - '//*[@id="associatedtype.Bar"]' 'type Bar = i32'
 pub use issue_21092::{Foo, Bar};

src/test/rustdoc/issue-25001.rs

@@ -31,21 +31,21 @@ impl<T> Foo<T> {
 }
 
 impl<T> Bar for Foo<T> {
-    // @has - '//*[@id="assoc_type.Item"]//code' 'type Item = T'
+    // @has - '//*[@id="associatedtype.Item"]//code' 'type Item = T'
     type Item=T;
 
     // @has - '//*[@id="method.quux"]//code' 'fn quux(self)'
     fn quux(self) {}
 }
 impl<'a, T> Bar for &'a Foo<T> {
-    // @has - '//*[@id="assoc_type.Item-1"]//code' "type Item = &'a T"
+    // @has - '//*[@id="associatedtype.Item-1"]//code' "type Item = &'a T"
     type Item=&'a T;
 
     // @has - '//*[@id="method.quux-1"]//code' 'fn quux(self)'
     fn quux(self) {}
 }
 impl<'a, T> Bar for &'a mut Foo<T> {
-    // @has - '//*[@id="assoc_type.Item-2"]//code' "type Item = &'a mut T"
+    // @has - '//*[@id="associatedtype.Item-2"]//code' "type Item = &'a mut T"
     type Item=&'a mut T;
 
     // @has - '//*[@id="method.quux-2"]//code' 'fn quux(self)'