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Update Rustdoc to deal with the Fn return type being an associated type.

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This commit is contained in:
Niko Matsakis 2015-01-12 10:24:19 -05:00
parent 7bd19112ee
commit ac94ae5883
1 changed files with 7 additions and 5 deletions
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12
src/librustdoc/clean/mod.rs
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@ -536,7 +536,7 @@ fn external_path_params(cx: &DocContext, trait_did: Option<ast::DefId>,
match (trait_did, cx.tcx_opt()) {
// Attempt to sugar an external path like Fn<(A, B,), C> to Fn(A, B) -> C
(Some(did), Some(ref tcx)) if tcx.lang_items.fn_trait_kind(did).is_some() => {
assert_eq!(types.len(), 2);
assert_eq!(types.len(), 1);
let inputs = match types[0].sty {
sty::ty_tup(ref tys) => tys.iter().map(|t| t.clean(cx)).collect(),
_ => {
@ -547,10 +547,12 @@ fn external_path_params(cx: &DocContext, trait_did: Option<ast::DefId>,
}
}
};
let output = match types[1].sty {
sty::ty_tup(ref v) if v.is_empty() => None, // -> ()
_ => Some(types[1].clean(cx))
};
let output = None;
// FIXME(#20299) return type comes from a projection now
// match types[1].sty {
// sty::ty_tup(ref v) if v.is_empty() => None, // -> ()
// _ => Some(types[1].clean(cx))
// };
PathParameters::Parenthesized {
inputs: inputs,
output: output