Add support for variant and types fields for intra links

src/test/rustdoc/struct-field.rs

@@ -0,0 +1,33 @@
+// Copyright 2018 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.
+
+#![crate_name = "foo"]
+
+// ignore-tidy-linelength
+
+// @has foo/index.html '//*[@class="docblock"]/p/a[@href="../foo/struct.Foo.html#structfield.bar"]' 'Foo::bar'
+// @has foo/index.html '//*[@class="docblock"]/p/a[@href="../foo/union.Bar.html#structfield.foo"]' 'Bar::foo'
+// @has foo/index.html '//*[@class="docblock"]/p/a[@href="../foo/enum.Uniooon.html#X.v"]' 'Uniooon::X'
+
+//! Test with [Foo::bar], [Bar::foo], [Uniooon::X]
+
+pub struct Foo {
+    pub bar: usize,
+}
+
+pub union Bar {
+    pub foo: u32,
+}
+
+pub enum Uniooon {
+    F,
+    X,
+    Y,
+}