render_impls(cx, w, concrete, containing_item)?;
write!(w, "</div>")?;
- write!(w, "
- <h2 id='synthetic-implementations' class='small-section-header'>
- Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a>
- </h2>
- <div id='synthetic-implementations-list'>
- ")?;
- render_impls(cx, w, synthetic, containing_item)?;
- write!(w, "</div>")?;
+ if !synthetic.is_empty() {
+ write!(w, "
+ <h2 id='synthetic-implementations' class='small-section-header'>
+ Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a>
+ </h2>
+ <div id='synthetic-implementations-list'>
+ ")?;
+ render_impls(cx, w, synthetic, containing_item)?;
+ write!(w, "</div>")?;
+ }
}
Ok(())
}
--- /dev/null
+// Copyright 2017 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"]
+
+#![feature(optin_builtin_traits)]
+
+pub struct Foo;
+
+// @has foo/struct.Foo.html
+// @!has - '//*[@class="synthetic-implementations"]' 'Auto Trait Implementations'
+impl !Send for Foo {}
+impl !Sync for Foo {}