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Reduce rightward drift
1 parent eeb2a62 commit bbc58e8

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2 files changed

+75
-78
lines changed

2 files changed

+75
-78
lines changed

‎src/librustdoc/clean/mod.rs‎

Lines changed: 74 additions & 78 deletions
Original file line numberDiff line numberDiff line change
@@ -1215,96 +1215,92 @@ fn clean_qpath(hir_ty: &hir::Ty<'_>, cx: &mut DocContext<'_>) -> Type {
12151215
}
12161216

12171217
fn maybe_expand_private_type_alias(cx: &mut DocContext<'_>, path: &hir::Path<'_>) -> Option<Type> {
1218-
let mut alias = None;
1219-
if let Res::Def(DefKind::TyAlias, def_id) = path.res {
1220-
// Substitute private type aliases
1221-
if let Some(def_id) = def_id.as_local() {
1222-
let hir_id = cx.tcx.hir().local_def_id_to_hir_id(def_id);
1223-
if !cx.cache.access_levels.is_exported(def_id.to_def_id()) {
1224-
alias = Some(&cx.tcx.hir().expect_item(hir_id).kind);
1225-
}
1226-
}
1218+
let Res::Def(DefKind::TyAlias, def_id) = path.res else { return None };
1219+
// Substitute private type aliases
1220+
let Some(def_id) = def_id.as_local() else { return None };
1221+
let hir_id = cx.tcx.hir().local_def_id_to_hir_id(def_id);
1222+
let alias = if !cx.cache.access_levels.is_exported(def_id.to_def_id()) {
1223+
&cx.tcx.hir().expect_item(hir_id).kind
1224+
} else {
1225+
return None;
12271226
};
1227+
let hir::ItemKind::TyAlias(ty, generics) = alias else { return None };
12281228

1229-
if let Some(&hir::ItemKind::TyAlias(ref ty, ref generics)) = alias {
1230-
let provided_params = &path.segments.last().expect("segments were empty");
1231-
let mut ty_substs = FxHashMap::default();
1232-
let mut lt_substs = FxHashMap::default();
1233-
let mut ct_substs = FxHashMap::default();
1234-
let generic_args = provided_params.args();
1235-
{
1236-
let mut indices: hir::GenericParamCount = Default::default();
1237-
for param in generics.params.iter() {
1238-
match param.kind {
1239-
hir::GenericParamKind::Lifetime { .. } => {
1240-
let mut j = 0;
1241-
let lifetime = generic_args.args.iter().find_map(|arg| match arg {
1242-
hir::GenericArg::Lifetime(lt) => {
1243-
if indices.lifetimes == j {
1244-
return Some(lt);
1245-
}
1246-
j += 1;
1247-
None
1248-
}
1249-
_ => None,
1250-
});
1251-
if let Some(lt) = lifetime.cloned() {
1252-
let lt_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1253-
let cleaned = if !lt.is_elided() {
1254-
lt.clean(cx)
1255-
} else {
1256-
self::types::Lifetime::elided()
1257-
};
1258-
lt_substs.insert(lt_def_id.to_def_id(), cleaned);
1229+
let provided_params = &path.segments.last().expect("segments were empty");
1230+
let mut ty_substs = FxHashMap::default();
1231+
let mut lt_substs = FxHashMap::default();
1232+
let mut ct_substs = FxHashMap::default();
1233+
let generic_args = provided_params.args();
1234+
1235+
let mut indices: hir::GenericParamCount = Default::default();
1236+
for param in generics.params.iter() {
1237+
match param.kind {
1238+
hir::GenericParamKind::Lifetime { .. } => {
1239+
let mut j = 0;
1240+
let lifetime = generic_args.args.iter().find_map(|arg| match arg {
1241+
hir::GenericArg::Lifetime(lt) => {
1242+
if indices.lifetimes == j {
1243+
return Some(lt);
12591244
}
1260-
indices.lifetimes += 1;
1245+
j += 1;
1246+
None
12611247
}
1262-
hir::GenericParamKind::Type { ref default, .. } => {
1263-
let ty_param_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1264-
let mut j = 0;
1265-
let type_ = generic_args.args.iter().find_map(|arg| match arg {
1266-
hir::GenericArg::Type(ty) => {
1267-
if indices.types == j {
1268-
return Some(ty);
1269-
}
1270-
j += 1;
1271-
None
1272-
}
1273-
_ => None,
1274-
});
1275-
if let Some(ty) = type_ {
1276-
ty_substs.insert(ty_param_def_id.to_def_id(), ty.clean(cx));
1277-
} else if let Some(default) = *default {
1278-
ty_substs.insert(ty_param_def_id.to_def_id(), default.clean(cx));
1248+
_ => None,
1249+
});
1250+
if let Some(lt) = lifetime.cloned() {
1251+
let lt_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1252+
let cleaned = if !lt.is_elided() {
1253+
lt.clean(cx)
1254+
} else {
1255+
self::types::Lifetime::elided()
1256+
};
1257+
lt_substs.insert(lt_def_id.to_def_id(), cleaned);
1258+
}
1259+
indices.lifetimes += 1;
1260+
}
1261+
hir::GenericParamKind::Type { ref default, .. } => {
1262+
let ty_param_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1263+
let mut j = 0;
1264+
let type_ = generic_args.args.iter().find_map(|arg| match arg {
1265+
hir::GenericArg::Type(ty) => {
1266+
if indices.types == j {
1267+
return Some(ty);
12791268
}
1280-
indices.types += 1;
1269+
j += 1;
1270+
None
12811271
}
1282-
hir::GenericParamKind::Const { .. } => {
1283-
let const_param_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1284-
let mut j = 0;
1285-
let const_ = generic_args.args.iter().find_map(|arg| match arg {
1286-
hir::GenericArg::Const(ct) => {
1287-
if indices.consts == j {
1288-
return Some(ct);
1289-
}
1290-
j += 1;
1291-
None
1292-
}
1293-
_ => None,
1294-
});
1295-
if let Some(ct) = const_ {
1296-
ct_substs.insert(const_param_def_id.to_def_id(), ct.clean(cx));
1272+
_ => None,
1273+
});
1274+
if let Some(ty) = type_ {
1275+
ty_substs.insert(ty_param_def_id.to_def_id(), ty.clean(cx));
1276+
} else if let Some(default) = *default {
1277+
ty_substs.insert(ty_param_def_id.to_def_id(), default.clean(cx));
1278+
}
1279+
indices.types += 1;
1280+
}
1281+
hir::GenericParamKind::Const { .. } => {
1282+
let const_param_def_id = cx.tcx.hir().local_def_id(param.hir_id);
1283+
let mut j = 0;
1284+
let const_ = generic_args.args.iter().find_map(|arg| match arg {
1285+
hir::GenericArg::Const(ct) => {
1286+
if indices.consts == j {
1287+
return Some(ct);
12971288
}
1298-
// FIXME(const_generics_defaults)
1299-
indices.consts += 1;
1289+
j += 1;
1290+
None
13001291
}
1292+
_ => None,
1293+
});
1294+
if let Some(ct) = const_ {
1295+
ct_substs.insert(const_param_def_id.to_def_id(), ct.clean(cx));
13011296
}
1297+
// FIXME(const_generics_defaults)
1298+
indices.consts += 1;
13021299
}
13031300
}
1304-
Some(cx.enter_alias(ty_substs, lt_substs, ct_substs, |cx| ty.clean(cx)))
1305-
} else {
1306-
None
13071301
}
1302+
1303+
Some(cx.enter_alias(ty_substs, lt_substs, ct_substs, |cx| ty.clean(cx)))
13081304
}
13091305

13101306
impl Clean<Type> for hir::Ty<'_> {

‎src/librustdoc/lib.rs‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@
99
#![feature(control_flow_enum)]
1010
#![feature(box_syntax)]
1111
#![feature(in_band_lifetimes)]
12+
#![feature(let_else)]
1213
#![feature(nll)]
1314
#![feature(test)]
1415
#![feature(crate_visibility_modifier)]

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