From ce2cae45b5242d59b744018dd79bc2ab74670edc Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Mon, 15 Mar 2021 21:02:34 +0100
Subject: Rename Substs -> Substitution

---
 crates/hir/src/display.rs         |  4 ++--
 crates/hir/src/lib.rs             | 16 ++++++++--------
 crates/hir/src/source_analyzer.rs |  4 ++--
 3 files changed, 12 insertions(+), 12 deletions(-)

(limited to 'crates/hir')

diff --git a/crates/hir/src/display.rs b/crates/hir/src/display.rs
index 81f0e04e5..9f6d7be48 100644
--- a/crates/hir/src/display.rs
+++ b/crates/hir/src/display.rs
@@ -13,7 +13,7 @@ use syntax::ast::{self, NameOwner};
 
 use crate::{
     Adt, Const, ConstParam, Enum, Field, Function, GenericParam, HasVisibility, LifetimeParam,
-    Module, Static, Struct, Substs, Trait, Type, TypeAlias, TypeParam, Union, Variant,
+    Module, Static, Struct, Substitution, Trait, Type, TypeAlias, TypeParam, Union, Variant,
 };
 
 impl HirDisplay for Function {
@@ -235,7 +235,7 @@ impl HirDisplay for TypeParam {
     fn hir_fmt(&self, f: &mut HirFormatter) -> Result<(), HirDisplayError> {
         write!(f, "{}", self.name(f.db))?;
         let bounds = f.db.generic_predicates_for_param(self.id);
-        let substs = Substs::type_params(f.db, self.id.parent);
+        let substs = Substitution::type_params(f.db, self.id.parent);
         let predicates = bounds.iter().cloned().map(|b| b.subst(&substs)).collect::<Vec<_>>();
         if !(predicates.is_empty() || f.omit_verbose_types()) {
             write_bounds_like_dyn_trait_with_prefix(":", &predicates, f)?;
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index ad79a79f8..12dd5fb38 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -57,8 +57,8 @@ use hir_ty::{
     to_assoc_type_id,
     traits::{FnTrait, Solution, SolutionVariables},
     AliasTy, BoundVar, CallableDefId, CallableSig, Canonical, DebruijnIndex, GenericPredicate,
-    InEnvironment, Interner, Obligation, ProjectionPredicate, ProjectionTy, Scalar, Substs, Ty,
-    TyDefId, TyKind, TyVariableKind,
+    InEnvironment, Interner, Obligation, ProjectionPredicate, ProjectionTy, Scalar, Substitution,
+    Ty, TyDefId, TyKind, TyVariableKind,
 };
 use itertools::Itertools;
 use rustc_hash::FxHashSet;
@@ -518,7 +518,7 @@ impl Field {
             VariantDef::Union(it) => it.id.into(),
             VariantDef::Variant(it) => it.parent.id.into(),
         };
-        let substs = Substs::type_params(db, generic_def_id);
+        let substs = Substitution::type_params(db, generic_def_id);
         let ty = db.field_types(var_id)[self.id].clone().subst(&substs);
         Type::new(db, self.parent.module(db).id.krate(), var_id, ty)
     }
@@ -1471,7 +1471,7 @@ impl TypeParam {
         let resolver = self.id.parent.resolver(db.upcast());
         let krate = self.id.parent.module(db.upcast()).krate();
         let ty = params.get(local_idx)?.clone();
-        let subst = Substs::type_params(db, self.id.parent);
+        let subst = Substitution::type_params(db, self.id.parent);
         let ty = ty.subst(&subst.prefix(local_idx));
         Some(Type::new_with_resolver_inner(db, krate, &resolver, ty))
     }
@@ -1674,7 +1674,7 @@ impl Type {
         krate: CrateId,
         def: impl HasResolver + Into<TyDefId> + Into<GenericDefId>,
     ) -> Type {
-        let substs = Substs::build_for_def(db, def).fill_with_unknown().build();
+        let substs = Substitution::build_for_def(db, def).fill_with_unknown().build();
         let ty = db.ty(def.into()).subst(&substs);
         Type::new(db, krate, def, ty)
     }
@@ -1754,7 +1754,7 @@ impl Type {
     pub fn impls_trait(&self, db: &dyn HirDatabase, trait_: Trait, args: &[Type]) -> bool {
         let trait_ref = hir_ty::TraitRef {
             trait_: trait_.id,
-            substs: Substs::build_for_def(db, trait_.id)
+            substs: Substitution::build_for_def(db, trait_.id)
                 .push(self.ty.value.clone())
                 .fill(args.iter().map(|t| t.ty.value.clone()))
                 .build(),
@@ -1778,7 +1778,7 @@ impl Type {
         args: &[Type],
         alias: TypeAlias,
     ) -> Option<Type> {
-        let subst = Substs::build_for_def(db, trait_.id)
+        let subst = Substitution::build_for_def(db, trait_.id)
             .push(self.ty.value.clone())
             .fill(args.iter().map(|t| t.ty.value.clone()))
             .build();
@@ -2045,7 +2045,7 @@ impl Type {
         fn walk_substs(
             db: &dyn HirDatabase,
             type_: &Type,
-            substs: &Substs,
+            substs: &Substitution,
             cb: &mut impl FnMut(Type),
         ) {
             for ty in substs.iter() {
diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs
index 4d59293e9..117f32a9e 100644
--- a/crates/hir/src/source_analyzer.rs
+++ b/crates/hir/src/source_analyzer.rs
@@ -20,7 +20,7 @@ use hir_def::{
 use hir_expand::{hygiene::Hygiene, name::AsName, HirFileId, InFile};
 use hir_ty::{
     diagnostics::{record_literal_missing_fields, record_pattern_missing_fields},
-    InferenceResult, Substs,
+    InferenceResult, Substitution,
 };
 use syntax::{
     ast::{self, AstNode},
@@ -329,7 +329,7 @@ impl SourceAnalyzer {
         &self,
         db: &dyn HirDatabase,
         krate: CrateId,
-        substs: &Substs,
+        substs: &Substitution,
         variant: VariantId,
         missing_fields: Vec<LocalFieldId>,
     ) -> Vec<(Field, Type)> {
-- 
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