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rustdoc: Show where clauses in type aliases

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Yes, it's allowed. Example:

    type MapFn<I, B> where I: Iterator = Map<I, fn(I::Item) -> B>;

Fixes #25769
This commit is contained in:
Ulrik Sverdrup 2015-05-25 23:05:35 +02:00
parent d1cd689b48
commit 06304ed522
2 changed files with 7 additions and 2 deletions
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5
src/librustdoc/html/render.rs
View File

@ -2429,10 +2429,11 @@ fn render_impl(w: &mut fmt::Formatter, i: &Impl, link: AssocItemLink,
fn item_typedef(w: &mut fmt::Formatter, it: &clean::Item,
t: &clean::Typedef) -> fmt::Result {
try!(write!(w, "<pre class='rust typedef'>type {}{} = {};</pre>",
try!(write!(w, "<pre class='rust typedef'>type {}{}{where_clause} = {type_};</pre>",
it.name.as_ref().unwrap(),
t.generics,
t.type_));
where_clause = WhereClause(&t.generics),
type_ = t.type_));
document(w, it)
}

4
src/test/rustdoc/where.rs
View File

@ -42,3 +42,7 @@ pub enum Foxtrot<F> { Foxtrot1(F) }
// @has foo/trait.MyTrait.html '//*[@id="implementors-list"]//code' \
// "impl<F> MyTrait for Foxtrot<F> where F: MyTrait"
impl<F> MyTrait for Foxtrot<F> where F: MyTrait {}
// @has foo/type.Golf.html '//pre[@class="rust typedef"]' \
// "type Golf<T> where T: Clone = (T, T)"
pub type Golf<T> where T: Clone = (T, T);