remove type_op constructors

Author: lcnr

compiler/rustc_borrowck/src/type_check/canonical.rs

@@ -137,7 +137,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
         let _: Result<_, ErrorGuaranteed> = self.fully_perform_op(
             locations,
             category,
-            param_env.and(type_op::prove_predicate::ProvePredicate::new(predicate)),
+            param_env.and(type_op::prove_predicate::ProvePredicate { predicate }),
         );
     }
 
@@ -162,7 +162,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
         let result: Result<_, ErrorGuaranteed> = self.fully_perform_op(
             location.to_locations(),
             category,
-            param_env.and(type_op::normalize::Normalize::new(value)),
+            param_env.and(type_op::normalize::Normalize { value }),
         );
         result.unwrap_or(value)
     }
@@ -223,7 +223,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
         let _: Result<_, ErrorGuaranteed> = self.fully_perform_op(
             Locations::All(span),
             ConstraintCategory::Boring,
-            self.param_env.and(type_op::ascribe_user_type::AscribeUserType::new(mir_ty, user_ty)),
+            self.param_env.and(type_op::ascribe_user_type::AscribeUserType { mir_ty, user_ty }),
         );
     }
 

compiler/rustc_borrowck/src/type_check/free_region_relations.rs

@@ -280,7 +280,7 @@ impl<'tcx> UniversalRegionRelationsBuilder<'_, 'tcx> {
             }
             let TypeOpOutput { output: norm_ty, constraints: constraints_normalize, .. } = self
                 .param_env
-                .and(type_op::normalize::Normalize::new(ty))
+                .and(type_op::normalize::Normalize { value: ty })
                 .fully_perform(self.infcx, span)
                 .unwrap_or_else(|guar| TypeOpOutput {
                     output: Ty::new_error(self.infcx.tcx, guar),
@@ -318,7 +318,7 @@ impl<'tcx> UniversalRegionRelationsBuilder<'_, 'tcx> {
             for &(ty, _) in tcx.assumed_wf_types(tcx.local_parent(defining_ty_def_id)) {
                 let result: Result<_, ErrorGuaranteed> = self
                     .param_env
-                    .and(type_op::normalize::Normalize::new(ty))
+                    .and(type_op::normalize::Normalize { value: ty })
                     .fully_perform(self.infcx, span);
                 let Ok(TypeOpOutput { output: norm_ty, constraints: c, .. }) = result else {
                     continue;

compiler/rustc_middle/src/traits/query.rs

@@ -15,25 +15,16 @@ use crate::infer::canonical::{Canonical, QueryResponse};
 use crate::ty::{self, GenericArg, Ty, TyCtxt};
 
 pub mod type_op {
-    use std::fmt;
-
     use rustc_macros::{HashStable, TypeFoldable, TypeVisitable};
 
-    use crate::ty::fold::TypeFoldable;
-    use crate::ty::{Predicate, Ty, TyCtxt, UserType};
+    use crate::ty::{Predicate, Ty, UserType};
 
     #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, TypeVisitable)]
     pub struct AscribeUserType<'tcx> {
         pub mir_ty: Ty<'tcx>,
         pub user_ty: UserType<'tcx>,
     }
 
-    impl<'tcx> AscribeUserType<'tcx> {
-        pub fn new(mir_ty: Ty<'tcx>, user_ty: UserType<'tcx>) -> Self {
-            Self { mir_ty, user_ty }
-        }
-    }
-
     #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, TypeVisitable)]
     pub struct Eq<'tcx> {
         pub a: Ty<'tcx>,
@@ -51,26 +42,11 @@ pub mod type_op {
         pub predicate: Predicate<'tcx>,
     }
 
-    impl<'tcx> ProvePredicate<'tcx> {
-        pub fn new(predicate: Predicate<'tcx>) -> Self {
-            ProvePredicate { predicate }
-        }
-    }
-
     #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, TypeVisitable)]
     pub struct Normalize<T> {
         pub value: T,
     }
 
-    impl<'tcx, T> Normalize<T>
-    where
-        T: fmt::Debug + TypeFoldable<TyCtxt<'tcx>>,
-    {
-        pub fn new(value: T) -> Self {
-            Self { value }
-        }
-    }
-
     #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, TypeVisitable)]
     pub struct ImpliedOutlivesBounds<'tcx> {
         pub ty: Ty<'tcx>,