New upstream version 1.56.0~beta.4+dfsg1

[rustc.git] / src / tools / clippy / clippy_utils / src / ty.rs

diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs
index 523d55219ab6919fac1f8208c7fc739f8f98fc58..3cd8ed5aa2c8c50ef32a129d0879f5428883969f 100644 (file)
--- a/src/tools/clippy/clippy_utils/src/ty.rs
+++ b/src/tools/clippy/clippy_utils/src/ty.rs
@@ -10,7 +10,7 @@ use rustc_hir::{TyKind, Unsafety};
 use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::LateContext;
 use rustc_middle::ty::subst::{GenericArg, GenericArgKind};
-use rustc_middle::ty::{self, AdtDef, IntTy, Ty, TypeFoldable, UintTy};
+use rustc_middle::ty::{self, TyCtxt, AdtDef, IntTy, Ty, TypeFoldable, UintTy};
 use rustc_span::sym;
 use rustc_span::symbol::{Ident, Symbol};
 use rustc_span::DUMMY_SP;
@@ -36,8 +36,8 @@ pub fn can_partially_move_ty(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
 }
 
 /// Walks into `ty` and returns `true` if any inner type is the same as `other_ty`
-pub fn contains_ty(ty: Ty<'_>, other_ty: Ty<'_>) -> bool {
-    ty.walk().any(|inner| match inner.unpack() {
+pub fn contains_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, other_ty: Ty<'tcx>) -> bool {
+    ty.walk(tcx).any(|inner| match inner.unpack() {
         GenericArgKind::Type(inner_ty) => ty::TyS::same_type(other_ty, inner_ty),
         GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false,
     })
@@ -45,8 +45,8 @@ pub fn contains_ty(ty: Ty<'_>, other_ty: Ty<'_>) -> bool {
 
 /// Walks into `ty` and returns `true` if any inner type is an instance of the given adt
 /// constructor.
-pub fn contains_adt_constructor(ty: Ty<'_>, adt: &AdtDef) -> bool {
-    ty.walk().any(|inner| match inner.unpack() {
+pub fn contains_adt_constructor<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, adt: &'tcx AdtDef) -> bool {
+    ty.walk(tcx).any(|inner| match inner.unpack() {
         GenericArgKind::Type(inner_ty) => inner_ty.ty_adt_def() == Some(adt),
         GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false,
     })
@@ -114,7 +114,7 @@ pub fn has_iter_method(cx: &LateContext<'_>, probably_ref_ty: Ty<'_>) -> Option<
 
 /// Checks whether a type implements a trait.
 /// The function returns false in case the type contains an inference variable.
-/// See also `get_trait_def_id`.
+/// See also [`get_trait_def_id`](super::get_trait_def_id).
 pub fn implements_trait<'tcx>(
     cx: &LateContext<'tcx>,
     ty: Ty<'tcx>,
@@ -157,7 +157,7 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
         ty::Tuple(substs) => substs.types().any(|ty| is_must_use_ty(cx, ty)),
         ty::Opaque(ref def_id, _) => {
             for (predicate, _) in cx.tcx.explicit_item_bounds(*def_id) {
-                if let ty::PredicateKind::Trait(trait_predicate, _) = predicate.kind().skip_binder() {
+                if let ty::PredicateKind::Trait(trait_predicate) = predicate.kind().skip_binder() {
                     if must_use_attr(cx.tcx.get_attrs(trait_predicate.trait_ref.def_id)).is_some() {
                         return true;
                     }
@@ -180,7 +180,7 @@ pub fn is_must_use_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
 }
 
 // FIXME: Per https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/infer/at/struct.At.html#method.normalize
-// this function can be removed once the `normalizie` method does not panic when normalization does
+// this function can be removed once the `normalize` method does not panic when normalization does
 // not succeed
 /// Checks if `Ty` is normalizable. This function is useful
 /// to avoid crashes on `layout_of`.
@@ -209,7 +209,7 @@ fn is_normalizable_helper<'tcx>(
                         .iter()
                         .all(|field| is_normalizable_helper(cx, param_env, field.ty(cx.tcx, substs), cache))
                 }),
-                _ => ty.walk().all(|generic_arg| match generic_arg.unpack() {
+                _ => ty.walk(cx.tcx).all(|generic_arg| match generic_arg.unpack() {
                     GenericArgKind::Type(inner_ty) if inner_ty != ty => {
                         is_normalizable_helper(cx, param_env, inner_ty, cache)
                     },