1
Fork 0

Rename hir::Node::Local into hir::Node::LetStmt

This commit is contained in:
Guillaume Gomez 2024-03-22 18:06:20 +01:00
parent d318bf1009
commit e0d3439226
43 changed files with 78 additions and 77 deletions

View file

@ -303,7 +303,7 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
} }
fn visit_local(&mut self, l: &'hir LetStmt<'hir>) { fn visit_local(&mut self, l: &'hir LetStmt<'hir>) {
self.insert(l.span, l.hir_id, Node::Local(l)); self.insert(l.span, l.hir_id, Node::LetStmt(l));
self.with_parent(l.hir_id, |this| { self.with_parent(l.hir_id, |this| {
intravisit::walk_local(this, l); intravisit::walk_local(this, l);
}) })

View file

@ -800,7 +800,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
for (_, node) in tcx.hir().parent_iter(expr.hir_id) { for (_, node) in tcx.hir().parent_iter(expr.hir_id) {
let e = match node { let e = match node {
hir::Node::Expr(e) => e, hir::Node::Expr(e) => e,
hir::Node::Local(hir::LetStmt { els: Some(els), .. }) => { hir::Node::LetStmt(hir::LetStmt { els: Some(els), .. }) => {
let mut finder = BreakFinder { found_breaks: vec![], found_continues: vec![] }; let mut finder = BreakFinder { found_breaks: vec![], found_continues: vec![] };
finder.visit_block(els); finder.visit_block(els);
if !finder.found_breaks.is_empty() { if !finder.found_breaks.is_empty() {

View file

@ -737,7 +737,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
&& let body = self.infcx.tcx.hir().body(body_id) && let body = self.infcx.tcx.hir().body(body_id)
&& let Some(hir_id) = (BindingFinder { span: pat_span }).visit_body(body).break_value() && let Some(hir_id) = (BindingFinder { span: pat_span }).visit_body(body).break_value()
&& let node = self.infcx.tcx.hir_node(hir_id) && let node = self.infcx.tcx.hir_node(hir_id)
&& let hir::Node::Local(hir::LetStmt { && let hir::Node::LetStmt(hir::LetStmt {
pat: hir::Pat { kind: hir::PatKind::Ref(_, _), .. }, pat: hir::Pat { kind: hir::PatKind::Ref(_, _), .. },
.. ..
}) })
@ -1170,7 +1170,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
}; };
if let Some(hir_id) = hir_id if let Some(hir_id) = hir_id
&& let hir::Node::Local(local) = self.infcx.tcx.hir_node(hir_id) && let hir::Node::LetStmt(local) = self.infcx.tcx.hir_node(hir_id)
{ {
let tables = self.infcx.tcx.typeck(def_id.as_local().unwrap()); let tables = self.infcx.tcx.typeck(def_id.as_local().unwrap());
if let Some(clone_trait) = self.infcx.tcx.lang_items().clone_trait() if let Some(clone_trait) = self.infcx.tcx.lang_items().clone_trait()

View file

@ -3529,7 +3529,7 @@ pub enum Node<'hir> {
PatField(&'hir PatField<'hir>), PatField(&'hir PatField<'hir>),
Arm(&'hir Arm<'hir>), Arm(&'hir Arm<'hir>),
Block(&'hir Block<'hir>), Block(&'hir Block<'hir>),
Local(&'hir LetStmt<'hir>), LetStmt(&'hir LetStmt<'hir>),
/// `Ctor` refers to the constructor of an enum variant or struct. Only tuple or unit variants /// `Ctor` refers to the constructor of an enum variant or struct. Only tuple or unit variants
/// with synthesized constructors. /// with synthesized constructors.
Ctor(&'hir VariantData<'hir>), Ctor(&'hir VariantData<'hir>),
@ -3585,7 +3585,7 @@ impl<'hir> Node<'hir> {
| Node::Ctor(..) | Node::Ctor(..)
| Node::Pat(..) | Node::Pat(..)
| Node::Arm(..) | Node::Arm(..)
| Node::Local(..) | Node::LetStmt(..)
| Node::Crate(..) | Node::Crate(..)
| Node::Ty(..) | Node::Ty(..)
| Node::TraitRef(..) | Node::TraitRef(..)
@ -3757,7 +3757,7 @@ impl<'hir> Node<'hir> {
expect_pat_field, &'hir PatField<'hir>, Node::PatField(n), n; expect_pat_field, &'hir PatField<'hir>, Node::PatField(n), n;
expect_arm, &'hir Arm<'hir>, Node::Arm(n), n; expect_arm, &'hir Arm<'hir>, Node::Arm(n), n;
expect_block, &'hir Block<'hir>, Node::Block(n), n; expect_block, &'hir Block<'hir>, Node::Block(n), n;
expect_let_stmt, &'hir LetStmt<'hir>, Node::Local(n), n; expect_let_stmt, &'hir LetStmt<'hir>, Node::LetStmt(n), n;
expect_ctor, &'hir VariantData<'hir>, Node::Ctor(n), n; expect_ctor, &'hir VariantData<'hir>, Node::Ctor(n), n;
expect_lifetime, &'hir Lifetime, Node::Lifetime(n), n; expect_lifetime, &'hir Lifetime, Node::Lifetime(n), n;
expect_generic_param, &'hir GenericParam<'hir>, Node::GenericParam(n), n; expect_generic_param, &'hir GenericParam<'hir>, Node::GenericParam(n), n;

View file

@ -113,7 +113,7 @@ impl<'a> State<'a> {
// `hir_map` to reconstruct their full structure for pretty // `hir_map` to reconstruct their full structure for pretty
// printing. // printing.
Node::Ctor(..) => panic!("cannot print isolated Ctor"), Node::Ctor(..) => panic!("cannot print isolated Ctor"),
Node::Local(a) => self.print_local_decl(a), Node::LetStmt(a) => self.print_local_decl(a),
Node::Crate(..) => panic!("cannot print Crate"), Node::Crate(..) => panic!("cannot print Crate"),
Node::WhereBoundPredicate(pred) => { Node::WhereBoundPredicate(pred) => {
self.print_formal_generic_params(pred.bound_generic_params); self.print_formal_generic_params(pred.bound_generic_params);

View file

@ -408,7 +408,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
} }
} }
} }
if let hir::Node::Local(hir::LetStmt { ty: Some(_), pat, .. }) = node { if let hir::Node::LetStmt(hir::LetStmt { ty: Some(_), pat, .. }) = node {
return Some((pat.span, "expected because of this assignment".to_string())); return Some((pat.span, "expected because of this assignment".to_string()));
} }
None None

View file

@ -299,8 +299,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
return false; return false;
}; };
let (init_ty_hir_id, init) = match self.tcx.parent_hir_node(pat.hir_id) { let (init_ty_hir_id, init) = match self.tcx.parent_hir_node(pat.hir_id) {
hir::Node::Local(hir::LetStmt { ty: Some(ty), init, .. }) => (ty.hir_id, *init), hir::Node::LetStmt(hir::LetStmt { ty: Some(ty), init, .. }) => (ty.hir_id, *init),
hir::Node::Local(hir::LetStmt { init: Some(init), .. }) => (init.hir_id, Some(*init)), hir::Node::LetStmt(hir::LetStmt { init: Some(init), .. }) => (init.hir_id, Some(*init)),
_ => return false, _ => return false,
}; };
let Some(init_ty) = self.node_ty_opt(init_ty_hir_id) else { let Some(init_ty) = self.node_ty_opt(init_ty_hir_id) else {
@ -678,7 +678,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
error: Option<TypeError<'tcx>>, error: Option<TypeError<'tcx>>,
) { ) {
match (self.tcx.parent_hir_node(expr.hir_id), error) { match (self.tcx.parent_hir_node(expr.hir_id), error) {
(hir::Node::Local(hir::LetStmt { ty: Some(ty), init: Some(init), .. }), _) (hir::Node::LetStmt(hir::LetStmt { ty: Some(ty), init: Some(init), .. }), _)
if init.hir_id == expr.hir_id => if init.hir_id == expr.hir_id =>
{ {
// Point at `let` assignment type. // Point at `let` assignment type.
@ -724,11 +724,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
primary_span = pat.span; primary_span = pat.span;
secondary_span = pat.span; secondary_span = pat.span;
match self.tcx.parent_hir_node(pat.hir_id) { match self.tcx.parent_hir_node(pat.hir_id) {
hir::Node::Local(hir::LetStmt { ty: Some(ty), .. }) => { hir::Node::LetStmt(hir::LetStmt { ty: Some(ty), .. }) => {
primary_span = ty.span; primary_span = ty.span;
post_message = " type"; post_message = " type";
} }
hir::Node::Local(hir::LetStmt { init: Some(init), .. }) => { hir::Node::LetStmt(hir::LetStmt { init: Some(init), .. }) => {
primary_span = init.span; primary_span = init.span;
post_message = " value"; post_message = " value";
} }

View file

@ -1452,7 +1452,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
}); });
let Some(( let Some((
_, _,
hir::Node::Local(hir::LetStmt { ty: Some(ty), .. }) hir::Node::LetStmt(hir::LetStmt { ty: Some(ty), .. })
| hir::Node::Item(hir::Item { kind: hir::ItemKind::Const(ty, _, _), .. }), | hir::Node::Item(hir::Item { kind: hir::ItemKind::Const(ty, _, _), .. }),
)) = parent_node )) = parent_node
else { else {

View file

@ -318,7 +318,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
); );
expr_id = parent_id; expr_id = parent_id;
} }
Node::Local(local) => { Node::LetStmt(local) => {
if let Some(mut ty) = local.ty { if let Some(mut ty) = local.ty {
while let Some(index) = tuple_indexes.pop() { while let Some(index) = tuple_indexes.pop() {
match ty.kind { match ty.kind {
@ -1331,7 +1331,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
// ++++++++++ // ++++++++++
// since the user probably just misunderstood how `let else` // since the user probably just misunderstood how `let else`
// and `&&` work together. // and `&&` work together.
if let Some((_, hir::Node::Local(local))) = cond_parent if let Some((_, hir::Node::LetStmt(local))) = cond_parent
&& let hir::PatKind::Path(qpath) | hir::PatKind::TupleStruct(qpath, _, _) = && let hir::PatKind::Path(qpath) | hir::PatKind::TupleStruct(qpath, _, _) =
&local.pat.kind &local.pat.kind
&& let hir::QPath::Resolved(None, path) = qpath && let hir::QPath::Resolved(None, path) = qpath
@ -1731,7 +1731,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
match self.tcx.parent_hir_node(*hir_id) { match self.tcx.parent_hir_node(*hir_id) {
// foo.clone() // foo.clone()
hir::Node::Local(hir::LetStmt { init: Some(init), .. }) => { hir::Node::LetStmt(hir::LetStmt { init: Some(init), .. }) => {
self.note_type_is_not_clone_inner_expr(init) self.note_type_is_not_clone_inner_expr(init)
} }
// When `expr` is more complex like a tuple // When `expr` is more complex like a tuple
@ -1740,7 +1740,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
kind: hir::PatKind::Tuple(pats, ..), kind: hir::PatKind::Tuple(pats, ..),
.. ..
}) => { }) => {
let hir::Node::Local(hir::LetStmt { init: Some(init), .. }) = let hir::Node::LetStmt(hir::LetStmt { init: Some(init), .. }) =
self.tcx.parent_hir_node(*pat_hir_id) self.tcx.parent_hir_node(*pat_hir_id)
else { else {
return expr; return expr;
@ -1774,7 +1774,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
&& let hir::Path { segments: [_], res: crate::Res::Local(binding), .. } = && let hir::Path { segments: [_], res: crate::Res::Local(binding), .. } =
call_expr_path call_expr_path
&& let hir::Node::Pat(hir::Pat { hir_id, .. }) = self.tcx.hir_node(*binding) && let hir::Node::Pat(hir::Pat { hir_id, .. }) = self.tcx.hir_node(*binding)
&& let hir::Node::Local(hir::LetStmt { init: Some(init), .. }) = && let hir::Node::LetStmt(hir::LetStmt { init: Some(init), .. }) =
self.tcx.parent_hir_node(*hir_id) self.tcx.parent_hir_node(*hir_id)
&& let Expr { && let Expr {
kind: hir::ExprKind::Closure(hir::Closure { body: body_id, .. }), kind: hir::ExprKind::Closure(hir::Closure { body: body_id, .. }),
@ -3134,7 +3134,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let hir::Node::Pat(pat) = self.tcx.hir_node(hir_id) else { let hir::Node::Pat(pat) = self.tcx.hir_node(hir_id) else {
return; return;
}; };
let hir::Node::Local(hir::LetStmt { ty: None, init: Some(init), .. }) = let hir::Node::LetStmt(hir::LetStmt { ty: None, init: Some(init), .. }) =
self.tcx.parent_hir_node(pat.hir_id) self.tcx.parent_hir_node(pat.hir_id)
else { else {
return; return;

View file

@ -2166,7 +2166,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
match (filename, parent_node) { match (filename, parent_node) {
( (
FileName::Real(_), FileName::Real(_),
Node::Local(hir::LetStmt { Node::LetStmt(hir::LetStmt {
source: hir::LocalSource::Normal, source: hir::LocalSource::Normal,
ty, ty,
.. ..

View file

@ -744,7 +744,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let ident_kind = match binding_parent { let ident_kind = match binding_parent {
hir::Node::Param(_) => "parameter", hir::Node::Param(_) => "parameter",
hir::Node::Local(_) => "variable", hir::Node::LetStmt(_) => "variable",
hir::Node::Arm(_) => "binding", hir::Node::Arm(_) => "binding",
// Provide diagnostics only if the parent pattern is struct-like, // Provide diagnostics only if the parent pattern is struct-like,

View file

@ -321,7 +321,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
&& let Some(expr) = block.expr && let Some(expr) = block.expr
&& let hir::ExprKind::Path(QPath::Resolved(_, Path { res, .. })) = expr.kind && let hir::ExprKind::Path(QPath::Resolved(_, Path { res, .. })) = expr.kind
&& let Res::Local(local) = res && let Res::Local(local) = res
&& let Node::Local(LetStmt { init: Some(init), .. }) = self.tcx.parent_hir_node(*local) && let Node::LetStmt(LetStmt { init: Some(init), .. }) =
self.tcx.parent_hir_node(*local)
{ {
fn collect_blocks<'hir>(expr: &hir::Expr<'hir>, blocks: &mut Vec<&hir::Block<'hir>>) { fn collect_blocks<'hir>(expr: &hir::Expr<'hir>, blocks: &mut Vec<&hir::Block<'hir>>) {
match expr.kind { match expr.kind {

View file

@ -937,7 +937,7 @@ impl<'tcx> LateContext<'tcx> {
} }
&& let Some(init) = match parent_node { && let Some(init) = match parent_node {
hir::Node::Expr(expr) => Some(expr), hir::Node::Expr(expr) => Some(expr),
hir::Node::Local(hir::LetStmt { init, .. }) => *init, hir::Node::LetStmt(hir::LetStmt { init, .. }) => *init,
_ => None, _ => None,
} }
{ {
@ -982,7 +982,7 @@ impl<'tcx> LateContext<'tcx> {
} }
&& let Some(init) = match parent_node { && let Some(init) = match parent_node {
hir::Node::Expr(expr) => Some(expr), hir::Node::Expr(expr) => Some(expr),
hir::Node::Local(hir::LetStmt { init, .. }) => *init, hir::Node::LetStmt(hir::LetStmt { init, .. }) => *init,
hir::Node::Item(item) => match item.kind { hir::Node::Item(item) => match item.kind {
hir::ItemKind::Const(.., body_id) | hir::ItemKind::Static(.., body_id) => { hir::ItemKind::Const(.., body_id) | hir::ItemKind::Static(.., body_id) => {
Some(self.tcx.hir().body(body_id).value) Some(self.tcx.hir().body(body_id).value)

View file

@ -567,7 +567,7 @@ impl<'hir> Map<'hir> {
} }
// Ignore `return`s on the first iteration // Ignore `return`s on the first iteration
Node::Expr(Expr { kind: ExprKind::Loop(..) | ExprKind::Ret(..), .. }) Node::Expr(Expr { kind: ExprKind::Loop(..) | ExprKind::Ret(..), .. })
| Node::Local(_) => { | Node::LetStmt(_) => {
return None; return None;
} }
_ => {} _ => {}
@ -906,7 +906,7 @@ impl<'hir> Map<'hir> {
Node::Lifetime(lifetime) => lifetime.ident.span, Node::Lifetime(lifetime) => lifetime.ident.span,
Node::GenericParam(param) => param.span, Node::GenericParam(param) => param.span,
Node::Infer(i) => i.span, Node::Infer(i) => i.span,
Node::Local(local) => local.span, Node::LetStmt(local) => local.span,
Node::Crate(item) => item.spans.inner_span, Node::Crate(item) => item.spans.inner_span,
Node::WhereBoundPredicate(pred) => pred.span, Node::WhereBoundPredicate(pred) => pred.span,
Node::ArrayLenInfer(inf) => inf.span, Node::ArrayLenInfer(inf) => inf.span,
@ -1163,7 +1163,7 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String {
Node::Arm(_) => node_str("arm"), Node::Arm(_) => node_str("arm"),
Node::Block(_) => node_str("block"), Node::Block(_) => node_str("block"),
Node::Infer(_) => node_str("infer"), Node::Infer(_) => node_str("infer"),
Node::Local(_) => node_str("local"), Node::LetStmt(_) => node_str("local"),
Node::Ctor(ctor) => format!( Node::Ctor(ctor) => format!(
"{id} (ctor {})", "{id} (ctor {})",
ctor.ctor_def_id().map_or("<missing path>".into(), |def_id| path_str(def_id)), ctor.ctor_def_id().map_or("<missing path>".into(), |def_id| path_str(def_id)),

View file

@ -768,7 +768,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
} }
// Different to previous arm because one is `&hir::Local` and the other // Different to previous arm because one is `&hir::Local` and the other
// is `P<hir::Local>`. // is `P<hir::Local>`.
hir::Node::Local(local) => get_name(err, &local.pat.kind), hir::Node::LetStmt(local) => get_name(err, &local.pat.kind),
_ => None, _ => None,
} }
} }
@ -930,7 +930,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
let hir::Node::Pat(pat) = self.tcx.hir_node(hir_id) else { let hir::Node::Pat(pat) = self.tcx.hir_node(hir_id) else {
return; return;
}; };
let hir::Node::Local(hir::LetStmt { ty: None, init: Some(init), .. }) = let hir::Node::LetStmt(hir::LetStmt { ty: None, init: Some(init), .. }) =
self.tcx.parent_hir_node(pat.hir_id) self.tcx.parent_hir_node(pat.hir_id)
else { else {
return; return;
@ -1562,7 +1562,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = expr.kind if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = expr.kind
&& let Res::Local(hir_id) = path.res && let Res::Local(hir_id) = path.res
&& let hir::Node::Pat(binding) = self.tcx.hir_node(hir_id) && let hir::Node::Pat(binding) = self.tcx.hir_node(hir_id)
&& let hir::Node::Local(local) = self.tcx.parent_hir_node(binding.hir_id) && let hir::Node::LetStmt(local) = self.tcx.parent_hir_node(binding.hir_id)
&& let None = local.ty && let None = local.ty
&& let Some(binding_expr) = local.init && let Some(binding_expr) = local.init
{ {
@ -2966,7 +2966,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
err.downgrade_to_delayed_bug(); err.downgrade_to_delayed_bug();
} }
match tcx.parent_hir_node(hir_id) { match tcx.parent_hir_node(hir_id) {
Node::Local(hir::LetStmt { ty: Some(ty), .. }) => { Node::LetStmt(hir::LetStmt { ty: Some(ty), .. }) => {
err.span_suggestion_verbose( err.span_suggestion_verbose(
ty.span.shrink_to_lo(), ty.span.shrink_to_lo(),
"consider borrowing here", "consider borrowing here",
@ -2975,7 +2975,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
); );
err.note("all local variables must have a statically known size"); err.note("all local variables must have a statically known size");
} }
Node::Local(hir::LetStmt { Node::LetStmt(hir::LetStmt {
init: Some(hir::Expr { kind: hir::ExprKind::Index(..), span, .. }), init: Some(hir::Expr { kind: hir::ExprKind::Index(..), span, .. }),
.. ..
}) => { }) => {
@ -3867,7 +3867,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = expr.kind if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = expr.kind
&& let hir::Path { res: Res::Local(hir_id), .. } = path && let hir::Path { res: Res::Local(hir_id), .. } = path
&& let hir::Node::Pat(binding) = self.tcx.hir_node(*hir_id) && let hir::Node::Pat(binding) = self.tcx.hir_node(*hir_id)
&& let hir::Node::Local(local) = self.tcx.parent_hir_node(binding.hir_id) && let hir::Node::LetStmt(local) = self.tcx.parent_hir_node(binding.hir_id)
&& let Some(binding_expr) = local.init && let Some(binding_expr) = local.init
{ {
// If the expression we're calling on is a binding, we want to point at the // If the expression we're calling on is a binding, we want to point at the
@ -4128,7 +4128,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
{ {
let parent = self.tcx.parent_hir_node(binding.hir_id); let parent = self.tcx.parent_hir_node(binding.hir_id);
// We've reached the root of the method call chain... // We've reached the root of the method call chain...
if let hir::Node::Local(local) = parent if let hir::Node::LetStmt(local) = parent
&& let Some(binding_expr) = local.init && let Some(binding_expr) = local.init
{ {
// ...and it is a binding. Get the binding creation and continue the chain. // ...and it is a binding. Get the binding creation and continue the chain.

View file

@ -1272,7 +1272,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
{ {
let parent = self.tcx.parent_hir_node(binding.hir_id); let parent = self.tcx.parent_hir_node(binding.hir_id);
// We've reached the root of the method call chain... // We've reached the root of the method call chain...
if let hir::Node::Local(local) = parent if let hir::Node::LetStmt(local) = parent
&& let Some(binding_expr) = local.init && let Some(binding_expr) = local.init
{ {
// ...and it is a binding. Get the binding creation and continue the chain. // ...and it is a binding. Get the binding creation and continue the chain.

View file

@ -163,7 +163,7 @@ fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallC
// TODO: This check currently bails if the local variable has no initializer. // TODO: This check currently bails if the local variable has no initializer.
// That is overly conservative - the lint should fire even if there was no initializer, // That is overly conservative - the lint should fire even if there was no initializer,
// but the variable has been initialized before `lhs` was evaluated. // but the variable has been initialized before `lhs` was evaluated.
if let Some(Node::Local(local)) = cx.tcx.hir().parent_id_iter(local).next().map(|p| cx.tcx.hir_node(p)) if let Some(Node::LetStmt(local)) = cx.tcx.hir().parent_id_iter(local).next().map(|p| cx.tcx.hir_node(p))
&& local.init.is_none() && local.init.is_none()
{ {
return false; return false;

View file

@ -139,7 +139,7 @@ impl<'tcx> Visitor<'tcx> for InferVisitor {
fn given_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { fn given_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
match cx.tcx.parent_hir_node(expr.hir_id) { match cx.tcx.parent_hir_node(expr.hir_id) {
Node::Local(LetStmt { ty: Some(ty), .. }) => { Node::LetStmt(LetStmt { ty: Some(ty), .. }) => {
let mut v = InferVisitor::default(); let mut v = InferVisitor::default();
v.visit_ty(ty); v.visit_ty(ty);
!v.0 !v.0

View file

@ -24,7 +24,7 @@ pub(super) fn check<'tcx>(
&& let ty::RawPtr(TypeAndMut { mutbl: to_mutbl, .. }) = cast_to.kind() && let ty::RawPtr(TypeAndMut { mutbl: to_mutbl, .. }) = cast_to.kind()
&& let Some(use_cx) = expr_use_ctxt(cx, expr) && let Some(use_cx) = expr_use_ctxt(cx, expr)
// TODO: only block the lint if `cast_expr` is a temporary // TODO: only block the lint if `cast_expr` is a temporary
&& !matches!(use_cx.node, ExprUseNode::Local(_) | ExprUseNode::ConstStatic(_)) && !matches!(use_cx.node, ExprUseNode::LetStmt(_) | ExprUseNode::ConstStatic(_))
{ {
let core_or_std = if is_no_std_crate(cx) { "core" } else { "std" }; let core_or_std = if is_no_std_crate(cx) { "core" } else { "std" };
let fn_name = match to_mutbl { let fn_name = match to_mutbl {

View file

@ -66,7 +66,7 @@ pub(super) fn check<'tcx>(
&& let QPath::Resolved(None, Path { res, .. }) = qpath && let QPath::Resolved(None, Path { res, .. }) = qpath
&& let Res::Local(hir_id) = res && let Res::Local(hir_id) = res
&& let parent = cx.tcx.parent_hir_node(*hir_id) && let parent = cx.tcx.parent_hir_node(*hir_id)
&& let Node::Local(local) = parent && let Node::LetStmt(local) = parent
{ {
if let Some(ty) = local.ty if let Some(ty) = local.ty
&& let TyKind::Path(qpath) = ty.kind && let TyKind::Path(qpath) = ty.kind
@ -275,7 +275,7 @@ fn is_cast_from_ty_alias<'tcx>(cx: &LateContext<'tcx>, expr: impl Visitable<'tcx
} }
// Local usage // Local usage
} else if let Res::Local(hir_id) = res } else if let Res::Local(hir_id) = res
&& let Node::Local(l) = cx.tcx.parent_hir_node(hir_id) && let Node::LetStmt(l) = cx.tcx.parent_hir_node(hir_id)
{ {
if let Some(e) = l.init if let Some(e) = l.init
&& is_cast_from_ty_alias(cx, e, cast_from) && is_cast_from_ty_alias(cx, e, cast_from)

View file

@ -46,7 +46,7 @@ impl<'tcx> LateLintPass<'tcx> for IgnoredUnitPatterns {
// Ignore function parameters // Ignore function parameters
return; return;
}, },
Node::Local(local) if local.ty.is_some() => { Node::LetStmt(local) if local.ty.is_some() => {
// Ignore let bindings with explicit type // Ignore let bindings with explicit type
return; return;
}, },

View file

@ -62,7 +62,7 @@ pub(super) fn check<'tcx>(
if let Node::Pat(pat) = node if let Node::Pat(pat) = node
&& let PatKind::Binding(bind_ann, ..) = pat.kind && let PatKind::Binding(bind_ann, ..) = pat.kind
&& !matches!(bind_ann, BindingAnnotation(_, Mutability::Mut)) && !matches!(bind_ann, BindingAnnotation(_, Mutability::Mut))
&& let Node::Local(parent_let_expr) = cx.tcx.parent_hir_node(hir_id) && let Node::LetStmt(parent_let_expr) = cx.tcx.parent_hir_node(hir_id)
&& let Some(init) = parent_let_expr.init && let Some(init) = parent_let_expr.init
{ {
match init.kind { match init.kind {

View file

@ -81,7 +81,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualRemEuclid {
// Apply only to params or locals with annotated types // Apply only to params or locals with annotated types
match cx.tcx.parent_hir_node(hir_id) { match cx.tcx.parent_hir_node(hir_id) {
Node::Param(..) => (), Node::Param(..) => (),
Node::Local(local) => { Node::LetStmt(local) => {
let Some(ty) = local.ty else { return }; let Some(ty) = local.ty else { return };
if matches!(ty.kind, TyKind::Infer) { if matches!(ty.kind, TyKind::Infer) {
return; return;

View file

@ -148,7 +148,7 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e
fn opt_parent_assign_span<'a>(cx: &LateContext<'a>, ex: &Expr<'a>) -> Option<AssignmentExpr> { fn opt_parent_assign_span<'a>(cx: &LateContext<'a>, ex: &Expr<'a>) -> Option<AssignmentExpr> {
if let Node::Expr(parent_arm_expr) = cx.tcx.parent_hir_node(ex.hir_id) { if let Node::Expr(parent_arm_expr) = cx.tcx.parent_hir_node(ex.hir_id) {
return match cx.tcx.parent_hir_node(parent_arm_expr.hir_id) { return match cx.tcx.parent_hir_node(parent_arm_expr.hir_id) {
Node::Local(parent_let_expr) => Some(AssignmentExpr::Local { Node::LetStmt(parent_let_expr) => Some(AssignmentExpr::Local {
span: parent_let_expr.span, span: parent_let_expr.span,
pat_span: parent_let_expr.pat.span(), pat_span: parent_let_expr.pat.span(),
}), }),

View file

@ -125,7 +125,7 @@ fn strip_return<'hir>(expr: &'hir Expr<'hir>) -> &'hir Expr<'hir> {
fn expr_ty_matches_p_ty(cx: &LateContext<'_>, expr: &Expr<'_>, p_expr: &Expr<'_>) -> bool { fn expr_ty_matches_p_ty(cx: &LateContext<'_>, expr: &Expr<'_>, p_expr: &Expr<'_>) -> bool {
match cx.tcx.parent_hir_node(p_expr.hir_id) { match cx.tcx.parent_hir_node(p_expr.hir_id) {
// Compare match_expr ty with local in `let local = match match_expr {..}` // Compare match_expr ty with local in `let local = match match_expr {..}`
Node::Local(local) => { Node::LetStmt(local) => {
let results = cx.typeck_results(); let results = cx.typeck_results();
return same_type_and_consts(results.node_type(local.hir_id), results.expr_ty(expr)); return same_type_and_consts(results.node_type(local.hir_id), results.expr_ty(expr));
}, },

View file

@ -69,7 +69,7 @@ pub(super) fn check(
_ => false, _ => false,
}, },
// local binding capturing a reference // local binding capturing a reference
Node::Local(l) if matches!(l.pat.kind, PatKind::Binding(BindingAnnotation(ByRef::Yes, _), ..)) => { Node::LetStmt(l) if matches!(l.pat.kind, PatKind::Binding(BindingAnnotation(ByRef::Yes, _), ..)) => {
return; return;
}, },
_ => false, _ => false,

View file

@ -50,7 +50,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: &str, re
| ExprKind::Break(_, _) => true, | ExprKind::Break(_, _) => true,
_ => false, _ => false,
}, },
Some((Node::Stmt(_) | Node::Local(_), _)) => false, Some((Node::Stmt(_) | Node::LetStmt(_), _)) => false,
_ => true, _ => true,
}; };

View file

@ -85,7 +85,7 @@ pub(super) fn check<'tcx>(
); );
} }
}, },
Node::Local(l) => { Node::LetStmt(l) => {
if let PatKind::Binding(BindingAnnotation::NONE | BindingAnnotation::MUT, id, _, None) = l.pat.kind if let PatKind::Binding(BindingAnnotation::NONE | BindingAnnotation::MUT, id, _, None) = l.pat.kind
&& let ty = cx.typeck_results().expr_ty(collect_expr) && let ty = cx.typeck_results().expr_ty(collect_expr)
&& [sym::Vec, sym::VecDeque, sym::BinaryHeap, sym::LinkedList] && [sym::Vec, sym::VecDeque, sym::BinaryHeap, sym::LinkedList]

View file

@ -24,7 +24,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, receiver
&& let Node::Expr(unwrap_call_expr) = cx.tcx.parent_hir_node(expr.hir_id) && let Node::Expr(unwrap_call_expr) = cx.tcx.parent_hir_node(expr.hir_id)
&& is_unwrap_call(cx, unwrap_call_expr) && is_unwrap_call(cx, unwrap_call_expr)
&& let parent = cx.tcx.parent_hir_node(unwrap_call_expr.hir_id) && let parent = cx.tcx.parent_hir_node(unwrap_call_expr.hir_id)
&& let Node::Local(local) = parent && let Node::LetStmt(local) = parent
&& let Some(mir) = enclosing_mir(cx.tcx, expr.hir_id) && let Some(mir) = enclosing_mir(cx.tcx, expr.hir_id)
&& let Some((local, _)) = mir && let Some((local, _)) = mir
.local_decls .local_decls

View file

@ -128,7 +128,7 @@ fn check_manual_split_once_indirect(
) -> Option<()> { ) -> Option<()> {
let ctxt = expr.span.ctxt(); let ctxt = expr.span.ctxt();
let mut parents = cx.tcx.hir().parent_iter(expr.hir_id); let mut parents = cx.tcx.hir().parent_iter(expr.hir_id);
if let (_, Node::Local(local)) = parents.next()? if let (_, Node::LetStmt(local)) = parents.next()?
&& let PatKind::Binding(BindingAnnotation::MUT, iter_binding_id, iter_ident, None) = local.pat.kind && let PatKind::Binding(BindingAnnotation::MUT, iter_binding_id, iter_ident, None) = local.pat.kind
&& let (iter_stmt_id, Node::Stmt(_)) = parents.next()? && let (iter_stmt_id, Node::Stmt(_)) = parents.next()?
&& let (_, Node::Block(enclosing_block)) = parents.next()? && let (_, Node::Block(enclosing_block)) = parents.next()?

View file

@ -20,7 +20,7 @@ fn needs_turbofish(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool {
// some common cases where turbofish isn't needed: // some common cases where turbofish isn't needed:
// - assigned to a local variable with a type annotation // - assigned to a local variable with a type annotation
if let hir::Node::Local(local) = parent if let hir::Node::LetStmt(local) = parent
&& local.ty.is_some() && local.ty.is_some()
{ {
return false; return false;

View file

@ -604,7 +604,7 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args:
match get_expr_use_or_unification_node(self.cx.tcx, e) { match get_expr_use_or_unification_node(self.cx.tcx, e) {
Some((Node::Stmt(_), _)) => (), Some((Node::Stmt(_), _)) => (),
Some((Node::Local(l), _)) => { Some((Node::LetStmt(l), _)) => {
// Only trace simple bindings. e.g `let x = y;` // Only trace simple bindings. e.g `let x = y;`
if let PatKind::Binding(BindingAnnotation::NONE, id, _, None) = l.pat.kind { if let PatKind::Binding(BindingAnnotation::NONE, id, _, None) = l.pat.kind {
self.bindings.insert(id, args_idx); self.bindings.insert(id, args_idx);

View file

@ -241,7 +241,7 @@ fn find_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'
ExprKind::Match(e, _, _) | ExprKind::Let(&LetExpr { init: e, .. }) => Some(e), ExprKind::Match(e, _, _) | ExprKind::Let(&LetExpr { init: e, .. }) => Some(e),
_ => None, _ => None,
}, },
Node::Local(local) => local.init, Node::LetStmt(local) => local.init,
_ => None, _ => None,
}; };
return init; return init;

View file

@ -159,7 +159,7 @@ fn all_bindings_are_for_conv<'tcx>(
.iter() .iter()
.map(|node| match node { .map(|node| match node {
Node::Pat(pat) => kind.eq(&pat.kind).then_some(pat.hir_id), Node::Pat(pat) => kind.eq(&pat.kind).then_some(pat.hir_id),
Node::Local(l) => Some(l.hir_id), Node::LetStmt(l) => Some(l.hir_id),
_ => None, _ => None,
}) })
.all_equal() .all_equal()
@ -170,7 +170,7 @@ fn all_bindings_are_for_conv<'tcx>(
&& local_parents.first().is_some_and(|node| { && local_parents.first().is_some_and(|node| {
let Some(ty) = match node { let Some(ty) = match node {
Node::Pat(pat) => Some(pat.hir_id), Node::Pat(pat) => Some(pat.hir_id),
Node::Local(l) => Some(l.hir_id), Node::LetStmt(l) => Some(l.hir_id),
_ => None, _ => None,
} }
.map(|hir_id| cx.typeck_results().node_type(hir_id)) else { .map(|hir_id| cx.typeck_results().node_type(hir_id)) else {

View file

@ -342,7 +342,7 @@ fn block_parents_have_safety_comment(
) -> bool { ) -> bool {
let (span, hir_id) = match cx.tcx.parent_hir_node(id) { let (span, hir_id) = match cx.tcx.parent_hir_node(id) {
Node::Expr(expr) => match cx.tcx.parent_hir_node(expr.hir_id) { Node::Expr(expr) => match cx.tcx.parent_hir_node(expr.hir_id) {
Node::Local(hir::LetStmt { span, hir_id, .. }) => (*span, *hir_id), Node::LetStmt(hir::LetStmt { span, hir_id, .. }) => (*span, *hir_id),
Node::Item(hir::Item { Node::Item(hir::Item {
kind: hir::ItemKind::Const(..) | ItemKind::Static(..), kind: hir::ItemKind::Const(..) | ItemKind::Static(..),
span, span,
@ -363,7 +363,7 @@ fn block_parents_have_safety_comment(
| hir::StmtKind::Semi(hir::Expr { span, hir_id, .. }), | hir::StmtKind::Semi(hir::Expr { span, hir_id, .. }),
.. ..
}) })
| Node::Local(hir::LetStmt { span, hir_id, .. }) => (*span, *hir_id), | Node::LetStmt(hir::LetStmt { span, hir_id, .. }) => (*span, *hir_id),
Node::Item(hir::Item { Node::Item(hir::Item {
kind: hir::ItemKind::Const(..) | ItemKind::Static(..), kind: hir::ItemKind::Const(..) | ItemKind::Static(..),
span, span,
@ -603,7 +603,7 @@ fn get_body_search_span(cx: &LateContext<'_>) -> Option<Span> {
for (_, node) in map.parent_iter(body.hir_id) { for (_, node) in map.parent_iter(body.hir_id) {
match node { match node {
Node::Expr(e) => span = e.span, Node::Expr(e) => span = e.span,
Node::Block(_) | Node::Arm(_) | Node::Stmt(_) | Node::Local(_) => (), Node::Block(_) | Node::Arm(_) | Node::Stmt(_) | Node::LetStmt(_) => (),
Node::Item(hir::Item { Node::Item(hir::Item {
kind: hir::ItemKind::Const(..) | ItemKind::Static(..), kind: hir::ItemKind::Const(..) | ItemKind::Static(..),
.. ..

View file

@ -102,7 +102,7 @@ fn expr_needs_inferred_result<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -
return false; return false;
} }
while let Some(id) = locals_to_check.pop() { while let Some(id) = locals_to_check.pop() {
if let Node::Local(l) = cx.tcx.parent_hir_node(id) { if let Node::LetStmt(l) = cx.tcx.parent_hir_node(id) {
if !l.ty.map_or(true, |ty| matches!(ty.kind, TyKind::Infer)) { if !l.ty.map_or(true, |ty| matches!(ty.kind, TyKind::Infer)) {
return false; return false;
} }

View file

@ -190,7 +190,7 @@ impl<'tcx> Visitor<'tcx> for PeekableVisitor<'_, 'tcx> {
}, },
} }
}, },
Node::Local(LetStmt { init: Some(init), .. }) => { Node::LetStmt(LetStmt { init: Some(init), .. }) => {
if arg_is_mut_peekable(self.cx, init) { if arg_is_mut_peekable(self.cx, init) {
self.found_peek_call = true; self.found_peek_call = true;
} }

View file

@ -1006,7 +1006,7 @@ fn get_parent_local<'hir>(cx: &LateContext<'hir>, expr: &'hir hir::Expr<'hir>) -
fn get_parent_local_hir_id<'hir>(cx: &LateContext<'hir>, hir_id: hir::HirId) -> Option<&'hir hir::Local<'hir>> { fn get_parent_local_hir_id<'hir>(cx: &LateContext<'hir>, hir_id: hir::HirId) -> Option<&'hir hir::Local<'hir>> {
match cx.tcx.parent_hir_node(hir_id) { match cx.tcx.parent_hir_node(hir_id) {
hir::Node::Local(local) => Some(local), hir::Node::LetStmt(local) => Some(local),
hir::Node::Pat(pattern) => get_parent_local_hir_id(cx, pattern.hir_id), hir::Node::Pat(pattern) => get_parent_local_hir_id(cx, pattern.hir_id),
_ => None, _ => None,
} }

View file

@ -217,7 +217,7 @@ fn path_to_matched_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<Ve
match peel_hir_expr_refs(expr).0.kind { match peel_hir_expr_refs(expr).0.kind {
ExprKind::Path(ref qpath) => match cx.qpath_res(qpath, expr.hir_id) { ExprKind::Path(ref qpath) => match cx.qpath_res(qpath, expr.hir_id) {
Res::Local(hir_id) => { Res::Local(hir_id) => {
if let Node::Local(Local { init: Some(init), .. }) = cx.tcx.parent_hir_node(hir_id) { if let Node::LetStmt(Local { init: Some(init), .. }) = cx.tcx.parent_hir_node(hir_id) {
path_to_matched_type(cx, init) path_to_matched_type(cx, init)
} else { } else {
None None

View file

@ -63,7 +63,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessVec {
match cx.tcx.parent_hir_node(expr.hir_id) { match cx.tcx.parent_hir_node(expr.hir_id) {
// search for `let foo = vec![_]` expressions where all uses of `foo` // search for `let foo = vec![_]` expressions where all uses of `foo`
// adjust to slices or call a method that exist on slices (e.g. len) // adjust to slices or call a method that exist on slices (e.g. len)
Node::Local(LetStmt { Node::LetStmt(LetStmt {
ty: None, ty: None,
pat: pat:
Pat { Pat {
@ -93,7 +93,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessVec {
} }
}, },
// if the local pattern has a specified type, do not lint. // if the local pattern has a specified type, do not lint.
Node::Local(LetStmt { ty: Some(_), .. }) if higher::VecArgs::hir(cx, expr).is_some() => { Node::LetStmt(LetStmt { ty: Some(_), .. }) if higher::VecArgs::hir(cx, expr).is_some() => {
self.span_to_lint_map.insert(callsite, None); self.span_to_lint_map.insert(callsite, None);
}, },
// search for `for _ in vec![...]` // search for `for _ in vec![...]`

View file

@ -78,7 +78,7 @@ fn inner_check(cx: &LateContext<'_>, expr: &'_ rustc_hir::Expr<'_>, inner_expr:
let parent_hir_node = cx.tcx.parent_hir_node(expr.hir_id); let parent_hir_node = cx.tcx.parent_hir_node(expr.hir_id);
let return_type = cx.typeck_results().expr_ty(expr); let return_type = cx.typeck_results().expr_ty(expr);
if let Node::Local(l) = parent_hir_node { if let Node::LetStmt(l) = parent_hir_node {
array_span_lint( array_span_lint(
cx, cx,
l.span, l.span,

View file

@ -184,7 +184,7 @@ pub fn expr_or_init<'a, 'b, 'tcx: 'b>(cx: &LateContext<'tcx>, mut expr: &'a Expr
pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'tcx>> { pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<&'tcx Expr<'tcx>> {
if let Node::Pat(pat) = cx.tcx.hir_node(hir_id) if let Node::Pat(pat) = cx.tcx.hir_node(hir_id)
&& matches!(pat.kind, PatKind::Binding(BindingAnnotation::NONE, ..)) && matches!(pat.kind, PatKind::Binding(BindingAnnotation::NONE, ..))
&& let Node::Local(local) = cx.tcx.parent_hir_node(hir_id) && let Node::LetStmt(local) = cx.tcx.parent_hir_node(hir_id)
{ {
return local.init; return local.init;
} }
@ -1079,7 +1079,7 @@ pub fn capture_local_usage(cx: &LateContext<'_>, e: &Expr<'_>) -> CaptureKind {
}, },
_ => break, _ => break,
}, },
Node::Local(l) => match pat_capture_kind(cx, l.pat) { Node::LetStmt(l) => match pat_capture_kind(cx, l.pat) {
CaptureKind::Value => break, CaptureKind::Value => break,
capture @ CaptureKind::Ref(_) => return capture, capture @ CaptureKind::Ref(_) => return capture,
}, },
@ -1357,7 +1357,7 @@ pub fn get_enclosing_loop_or_multi_call_closure<'tcx>(
ExprKind::Closure { .. } | ExprKind::Loop(..) => return Some(e), ExprKind::Closure { .. } | ExprKind::Loop(..) => return Some(e),
_ => (), _ => (),
}, },
Node::Stmt(_) | Node::Block(_) | Node::Local(_) | Node::Arm(_) => (), Node::Stmt(_) | Node::Block(_) | Node::LetStmt(_) | Node::Arm(_) => (),
_ => break, _ => break,
} }
} }
@ -1462,7 +1462,7 @@ pub fn is_else_clause(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
let mut child_id = expr.hir_id; let mut child_id = expr.hir_id;
for (parent_id, node) in tcx.hir().parent_iter(child_id) { for (parent_id, node) in tcx.hir().parent_iter(child_id) {
if let Node::Local(LetStmt { if let Node::LetStmt(LetStmt {
init: Some(init), init: Some(init),
els: Some(els), els: Some(els),
.. ..
@ -1482,7 +1482,7 @@ pub fn is_inside_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
pub fn is_else_clause_in_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { pub fn is_else_clause_in_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool {
let mut child_id = expr.hir_id; let mut child_id = expr.hir_id;
for (parent_id, node) in tcx.hir().parent_iter(child_id) { for (parent_id, node) in tcx.hir().parent_iter(child_id) {
if let Node::Local(LetStmt { els: Some(els), .. }) = node if let Node::LetStmt(LetStmt { els: Some(els), .. }) = node
&& els.hir_id == child_id && els.hir_id == child_id
{ {
return true; return true;
@ -2639,7 +2639,7 @@ pub struct ExprUseCtxt<'tcx> {
/// The node which consumes a value. /// The node which consumes a value.
pub enum ExprUseNode<'tcx> { pub enum ExprUseNode<'tcx> {
/// Assignment to, or initializer for, a local /// Assignment to, or initializer for, a local
Local(&'tcx LetStmt<'tcx>), LetStmt(&'tcx LetStmt<'tcx>),
/// Initializer for a const or static item. /// Initializer for a const or static item.
ConstStatic(OwnerId), ConstStatic(OwnerId),
/// Implicit or explicit return from a function. /// Implicit or explicit return from a function.
@ -2671,7 +2671,7 @@ impl<'tcx> ExprUseNode<'tcx> {
/// Gets the needed type as it's defined without any type inference. /// Gets the needed type as it's defined without any type inference.
pub fn defined_ty(&self, cx: &LateContext<'tcx>) -> Option<DefinedTy<'tcx>> { pub fn defined_ty(&self, cx: &LateContext<'tcx>) -> Option<DefinedTy<'tcx>> {
match *self { match *self {
Self::Local(LetStmt { ty: Some(ty), .. }) => Some(DefinedTy::Hir(ty)), Self::LetStmt(LetStmt { ty: Some(ty), .. }) => Some(DefinedTy::Hir(ty)),
Self::ConstStatic(id) => Some(DefinedTy::Mir( Self::ConstStatic(id) => Some(DefinedTy::Mir(
cx.param_env cx.param_env
.and(Binder::dummy(cx.tcx.type_of(id).instantiate_identity())), .and(Binder::dummy(cx.tcx.type_of(id).instantiate_identity())),
@ -2731,7 +2731,7 @@ impl<'tcx> ExprUseNode<'tcx> {
let sig = cx.tcx.fn_sig(id).skip_binder(); let sig = cx.tcx.fn_sig(id).skip_binder();
Some(DefinedTy::Mir(cx.tcx.param_env(id).and(sig.input(i)))) Some(DefinedTy::Mir(cx.tcx.param_env(id).and(sig.input(i))))
}, },
Self::Local(_) | Self::FieldAccess(..) | Self::Callee | Self::Expr | Self::Other => None, Self::LetStmt(_) | Self::FieldAccess(..) | Self::Callee | Self::Expr | Self::Other => None,
} }
} }
} }
@ -2770,7 +2770,7 @@ pub fn expr_use_ctxt<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'tcx>) -> Optio
.continue_value() .continue_value()
.map(|(use_node, child_id)| { .map(|(use_node, child_id)| {
let node = match use_node { let node = match use_node {
Node::Local(l) => ExprUseNode::Local(l), Node::LetStmt(l) => ExprUseNode::LetStmt(l),
Node::ExprField(field) => ExprUseNode::Field(field), Node::ExprField(field) => ExprUseNode::Field(field),
Node::Item(&Item { Node::Item(&Item {

View file

@ -242,7 +242,7 @@ fn path_segment_certainty(
Node::Param(..) => Certainty::Certain(None), Node::Param(..) => Certainty::Certain(None),
// A local's type is certain if its type annotation is certain or it has an initializer whose // A local's type is certain if its type annotation is certain or it has an initializer whose
// type is certain. // type is certain.
Node::Local(local) => { Node::LetStmt(local) => {
let lhs = local.ty.map_or(Certainty::Uncertain, |ty| type_certainty(cx, ty)); let lhs = local.ty.map_or(Certainty::Uncertain, |ty| type_certainty(cx, ty));
let rhs = local let rhs = local
.init .init