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Remove auto trait implementation section when empty

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This commit is contained in:
Guillaume Gomez 2018-03-09 22:18:08 +01:00
parent fedce67cd2
commit 7dc71ec009
2 changed files with 30 additions and 8 deletions
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18
src/librustdoc/html/render.rs
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@ -3181,14 +3181,16 @@ fn render_assoc_items(w: &mut fmt::Formatter,
render_impls(cx, w, concrete, containing_item)?; render_impls(cx, w, concrete, containing_item)?;
write!(w, "</div>")?; write!(w, "</div>")?;
write!(w, " if !synthetic.is_empty() {
<h2 id='synthetic-implementations' class='small-section-header'> write!(w, "
Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a> <h2 id='synthetic-implementations' class='small-section-header'>
</h2> Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a>
<div id='synthetic-implementations-list'> </h2>
")?; <div id='synthetic-implementations-list'>
render_impls(cx, w, synthetic, containing_item)?; ")?;
write!(w, "</div>")?; render_impls(cx, w, synthetic, containing_item)?;
write!(w, "</div>")?;
}
} }
Ok(()) Ok(())
} }

20
src/test/rustdoc/empty-section.rs Normal file
View File

@ -0,0 +1,20 @@
// 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 {}