Rollup merge of #96565 - notriddle:notriddle/impl-box, r=camelid

rustdoc: show implementations on `#[fundamental]` wrappers

Fixes #92940
This commit is contained in:
Guillaume Gomez 2022-05-20 14:03:01 +02:00 committed by GitHub
commit afcf099e30
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2 changed files with 26 additions and 1 deletions

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@ -3,7 +3,7 @@ use std::mem;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_hir::def_id::{CrateNum, DefId};
use rustc_middle::middle::privacy::AccessLevels;
use rustc_middle::ty::TyCtxt;
use rustc_middle::ty::{self, TyCtxt};
use rustc_span::{sym, Symbol};
use crate::clean::{self, types::ExternalLocation, ExternalCrate, ItemId, PrimitiveType};
@ -452,6 +452,15 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> {
clean::Type::Path { ref path }
| clean::BorrowedRef { type_: box clean::Type::Path { ref path }, .. } => {
dids.insert(path.def_id());
if let Some(generics) = path.generics() &&
let ty::Adt(adt, _) = self.tcx.type_of(path.def_id()).kind() &&
adt.is_fundamental() {
for ty in generics {
if let Some(did) = ty.def_id(&self.cache) {
dids.insert(did);
}
}
}
}
clean::DynTrait(ref bounds, _)
| clean::BorrowedRef { type_: box clean::DynTrait(ref bounds, _), .. } => {

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@ -0,0 +1,16 @@
// https://github.com/rust-lang/rust/issues/92940
//
// Show traits implemented on fundamental types that wrap local ones.
pub struct MyType;
// @has 'impl_box/struct.MyType.html'
// @has '-' '//*[@id="impl-Iterator"]' 'impl Iterator for Box<MyType>'
impl Iterator for Box<MyType> {
type Item = ();
fn next(&mut self) -> Option<Self::Item> {
todo!()
}
}