Reduce exposure of some items.

compiler/rustc_ty_utils/src/abi.rs

@@ -16,7 +16,7 @@ use rustc_target::spec::abi::Abi as SpecAbi;
 
 use std::iter;
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers { fn_abi_of_fn_ptr, fn_abi_of_instance, ..*providers };
 }
 

compiler/rustc_ty_utils/src/assoc.rs

@@ -8,7 +8,7 @@ use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, GenericArgs, ImplTraitInTraitData, Ty, TyCtxt};
 use rustc_span::symbol::kw;
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers {
         associated_item,
         associated_item_def_ids,

compiler/rustc_ty_utils/src/consts.rs

@@ -17,7 +17,7 @@ use crate::errors::{GenericConstantTooComplex, GenericConstantTooComplexSub};
 
 /// Destructures array, ADT or tuple constants into the constants
 /// of their fields.
-pub(crate) fn destructure_const<'tcx>(
+fn destructure_const<'tcx>(
     tcx: TyCtxt<'tcx>,
     const_: ty::Const<'tcx>,
 ) -> ty::DestructuredConst<'tcx> {
@@ -396,7 +396,7 @@ impl<'a, 'tcx> visit::Visitor<'a, 'tcx> for IsThirPolymorphic<'a, 'tcx> {
 }
 
 /// Builds an abstract const, do not use this directly, but use `AbstractConst::new` instead.
-pub fn thir_abstract_const(
+fn thir_abstract_const(
     tcx: TyCtxt<'_>,
     def: LocalDefId,
 ) -> Result<Option<ty::EarlyBinder<ty::Const<'_>>>, ErrorGuaranteed> {
@@ -428,6 +428,6 @@ pub fn thir_abstract_const(
     Ok(Some(ty::EarlyBinder::bind(recurse_build(tcx, body, body_id, root_span)?)))
 }
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers { destructure_const, thir_abstract_const, ..*providers };
 }

compiler/rustc_ty_utils/src/implied_bounds.rs

@@ -7,7 +7,7 @@ use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_span::Span;
 use std::iter;
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers {
         assumed_wf_types,
         assumed_wf_types_for_rpitit: |tcx, def_id| {

compiler/rustc_ty_utils/src/instance.rs

@@ -328,6 +328,6 @@ fn resolve_associated_item<'tcx>(
     })
 }
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers { resolve_instance, ..*providers };
 }

compiler/rustc_ty_utils/src/layout.rs

@@ -24,7 +24,7 @@ use crate::errors::{
 };
 use crate::layout_sanity_check::sanity_check_layout;
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers { layout_of, ..*providers };
 }
 

compiler/rustc_ty_utils/src/lib.rs

@@ -34,13 +34,13 @@ mod common_traits;
 mod consts;
 mod errors;
 mod implied_bounds;
-pub mod instance;
+mod instance;
 mod layout;
 mod layout_sanity_check;
 mod needs_drop;
 mod opaque_types;
-pub mod representability;
+mod representability;
-pub mod sig_types;
+mod sig_types;
 mod structural_match;
 mod ty;
 

compiler/rustc_ty_utils/src/representability.rs

@@ -6,7 +6,7 @@ use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, Representability, Ty, TyCtxt};
 use rustc_span::def_id::LocalDefId;
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers =
         Providers { representability, representability_adt_ty, params_in_repr, ..*providers };
 }

compiler/rustc_ty_utils/src/sig_types.rs

@@ -8,7 +8,7 @@ use rustc_middle::ty::TyCtxt;
 use rustc_span::Span;
 use rustc_type_ir::visit::TypeVisitable;
 
-pub trait SpannedTypeVisitor<'tcx> {
+pub(crate) trait SpannedTypeVisitor<'tcx> {
     type BreakTy = !;
     fn visit(
         &mut self,
@@ -17,7 +17,7 @@ pub trait SpannedTypeVisitor<'tcx> {
     ) -> ControlFlow<Self::BreakTy>;
 }
 
-pub fn walk_types<'tcx, V: SpannedTypeVisitor<'tcx>>(
+pub(crate) fn walk_types<'tcx, V: SpannedTypeVisitor<'tcx>>(
     tcx: TyCtxt<'tcx>,
     item: LocalDefId,
     visitor: &mut V,

compiler/rustc_ty_utils/src/structural_match.rs

@@ -39,6 +39,6 @@ fn has_structural_eq_impls<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool {
     ocx.select_all_or_error().is_empty()
 }
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     providers.has_structural_eq_impls = has_structural_eq_impls;
 }

compiler/rustc_ty_utils/src/ty.rs

@@ -351,7 +351,7 @@ fn unsizing_params_for_adt<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> BitSet<u32
     unsizing_params
 }
 
-pub fn provide(providers: &mut Providers) {
+pub(crate) fn provide(providers: &mut Providers) {
     *providers = Providers {
         asyncness,
         adt_sized_constraint,