7 files changed, 75 insertions, 84 deletions

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 43f932e20..3f645a1dd 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -13,8 +13,8 @@ use hir_def::{
     resolver::{HasResolver, Resolver},
     type_ref::{Mutability, TypeRef},
     AdtId, AssocContainerId, ConstId, DefWithBodyId, EnumId, FunctionId, GenericDefId, HasModule,
-    ImplId, LocalEnumVariantId, LocalModuleId, LocalStructFieldId, Lookup, ModuleId, StaticId,
-    StructId, TraitId, TypeAliasId, TypeParamId, UnionId,
+    ImplId, LocalEnumVariantId, LocalFieldId, LocalModuleId, Lookup, ModuleId, StaticId, StructId,
+    TraitId, TypeAliasId, TypeParamId, UnionId,
 };
 use hir_expand::{
     diagnostics::DiagnosticSink,
@@ -294,9 +294,9 @@ impl Module {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct StructField {
+pub struct Field {
     pub(crate) parent: VariantDef,
-    pub(crate) id: LocalStructFieldId,
+    pub(crate) id: LocalFieldId,
 }
 
 #[derive(Debug, PartialEq, Eq)]
@@ -305,7 +305,7 @@ pub enum FieldSource {
     Pos(ast::TupleFieldDef),
 }
 
-impl StructField {
+impl Field {
     pub fn name(&self, db: &dyn HirDatabase) -> Name {
         self.parent.variant_data(db).fields()[self.id].name.clone()
     }
@@ -331,7 +331,7 @@ impl StructField {
     }
 }
 
-impl HasVisibility for StructField {
+impl HasVisibility for Field {
     fn visibility(&self, db: &dyn HirDatabase) -> Visibility {
         let variant_data = self.parent.variant_data(db);
         let visibility = &variant_data.fields()[self.id].visibility;
@@ -358,12 +358,12 @@ impl Struct {
         db.struct_data(self.id).name.clone()
     }
 
-    pub fn fields(self, db: &dyn HirDatabase) -> Vec<StructField> {
+    pub fn fields(self, db: &dyn HirDatabase) -> Vec<Field> {
         db.struct_data(self.id)
             .variant_data
             .fields()
             .iter()
-            .map(|(id, _)| StructField { parent: self.into(), id })
+            .map(|(id, _)| Field { parent: self.into(), id })
             .collect()
     }
 
@@ -394,12 +394,12 @@ impl Union {
         Type::from_def(db, self.id.lookup(db.upcast()).container.module(db.upcast()).krate, self.id)
     }
 
-    pub fn fields(self, db: &dyn HirDatabase) -> Vec<StructField> {
+    pub fn fields(self, db: &dyn HirDatabase) -> Vec<Field> {
         db.union_data(self.id)
             .variant_data
             .fields()
             .iter()
-            .map(|(id, _)| StructField { parent: self.into(), id })
+            .map(|(id, _)| Field { parent: self.into(), id })
             .collect()
     }
 
@@ -457,11 +457,11 @@ impl EnumVariant {
         db.enum_data(self.parent.id).variants[self.id].name.clone()
     }
 
-    pub fn fields(self, db: &dyn HirDatabase) -> Vec<StructField> {
+    pub fn fields(self, db: &dyn HirDatabase) -> Vec<Field> {
         self.variant_data(db)
             .fields()
             .iter()
-            .map(|(id, _)| StructField { parent: self.into(), id })
+            .map(|(id, _)| Field { parent: self.into(), id })
             .collect()
     }
 
@@ -527,7 +527,7 @@ pub enum VariantDef {
 impl_froms!(VariantDef: Struct, Union, EnumVariant);
 
 impl VariantDef {
-    pub fn fields(self, db: &dyn HirDatabase) -> Vec<StructField> {
+    pub fn fields(self, db: &dyn HirDatabase) -> Vec<Field> {
         match self {
             VariantDef::Struct(it) => it.fields(db),
             VariantDef::Union(it) => it.fields(db),
@@ -1148,7 +1148,7 @@ impl Type {
         }
     }
 
-    pub fn fields(&self, db: &dyn HirDatabase) -> Vec<(StructField, Type)> {
+    pub fn fields(&self, db: &dyn HirDatabase) -> Vec<(Field, Type)> {
         if let Ty::Apply(a_ty) = &self.ty.value {
             if let TypeCtor::Adt(AdtId::StructId(s)) = a_ty.ctor {
                 let var_def = s.into();
@@ -1156,7 +1156,7 @@ impl Type {
                     .field_types(var_def)
                     .iter()
                     .map(|(local_id, ty)| {
-                        let def = StructField { parent: var_def.into(), id: local_id };
+                        let def = Field { parent: var_def.into(), id: local_id };
                         let ty = ty.clone().subst(&a_ty.parameters);
                         (def, self.derived(ty))
                     })
@@ -1352,7 +1352,7 @@ impl ScopeDef {
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 pub enum AttrDef {
     Module(Module),
-    StructField(StructField),
+    Field(Field),
     Adt(Adt),
     Function(Function),
     EnumVariant(EnumVariant),
@@ -1365,7 +1365,7 @@ pub enum AttrDef {
 
 impl_froms!(
     AttrDef: Module,
-    StructField,
+    Field,
     Adt(Struct, Enum, Union),
     EnumVariant,
     Static,
diff --git a/crates/ra_hir/src/from_id.rs b/crates/ra_hir/src/from_id.rs
index 62fb52e72..679ae8121 100644
--- a/crates/ra_hir/src/from_id.rs
+++ b/crates/ra_hir/src/from_id.rs
@@ -4,13 +4,13 @@
 //! are splitting the hir.
 
 use hir_def::{
-    expr::PatId, AdtId, AssocItemId, AttrDefId, DefWithBodyId, EnumVariantId, GenericDefId,
-    ModuleDefId, StructFieldId, VariantId,
+    expr::PatId, AdtId, AssocItemId, AttrDefId, DefWithBodyId, EnumVariantId, FieldId,
+    GenericDefId, ModuleDefId, VariantId,
 };
 
 use crate::{
-    code_model::ItemInNs, Adt, AssocItem, AttrDef, DefWithBody, EnumVariant, GenericDef, Local,
-    MacroDef, ModuleDef, StructField, VariantDef,
+    code_model::ItemInNs, Adt, AssocItem, AttrDef, DefWithBody, EnumVariant, Field, GenericDef,
+    Local, MacroDef, ModuleDef, VariantDef,
 };
 
 macro_rules! from_id {
@@ -184,15 +184,15 @@ impl From<VariantDef> for VariantId {
     }
 }
 
-impl From<StructField> for StructFieldId {
-    fn from(def: StructField) -> Self {
-        StructFieldId { parent: def.parent.into(), local_id: def.id }
+impl From<Field> for FieldId {
+    fn from(def: Field) -> Self {
+        FieldId { parent: def.parent.into(), local_id: def.id }
     }
 }
 
-impl From<StructFieldId> for StructField {
-    fn from(def: StructFieldId) -> Self {
-        StructField { parent: def.parent.into(), id: def.local_id }
+impl From<FieldId> for Field {
+    fn from(def: FieldId) -> Self {
+        Field { parent: def.parent.into(), id: def.local_id }
     }
 }
 
@@ -200,7 +200,7 @@ impl From<AttrDef> for AttrDefId {
     fn from(def: AttrDef) -> Self {
         match def {
             AttrDef::Module(it) => AttrDefId::ModuleId(it.id),
-            AttrDef::StructField(it) => AttrDefId::StructFieldId(it.into()),
+            AttrDef::Field(it) => AttrDefId::FieldId(it.into()),
             AttrDef::Adt(it) => AttrDefId::AdtId(it.into()),
             AttrDef::Function(it) => AttrDefId::FunctionId(it.id),
             AttrDef::EnumVariant(it) => AttrDefId::EnumVariantId(it.into()),
diff --git a/crates/ra_hir/src/has_source.rs b/crates/ra_hir/src/has_source.rs
index 129764e0a..63b8fd369 100644
--- a/crates/ra_hir/src/has_source.rs
+++ b/crates/ra_hir/src/has_source.rs
@@ -9,8 +9,8 @@ use hir_def::{
 use ra_syntax::ast;
 
 use crate::{
-    db::HirDatabase, Const, Enum, EnumVariant, FieldSource, Function, ImplDef, MacroDef, Module,
-    Static, Struct, StructField, Trait, TypeAlias, TypeParam, Union,
+    db::HirDatabase, Const, Enum, EnumVariant, Field, FieldSource, Function, ImplDef, MacroDef,
+    Module, Static, Struct, Trait, TypeAlias, TypeParam, Union,
 };
 
 pub use hir_expand::InFile;
@@ -37,7 +37,7 @@ impl Module {
     }
 }
 
-impl HasSource for StructField {
+impl HasSource for Field {
     type Ast = FieldSource;
     fn source(self, db: &dyn HirDatabase) -> InFile<FieldSource> {
         let var = VariantId::from(self.parent);
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index 5af7e5d6d..312ef3814 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -52,9 +52,9 @@ mod has_source;
 pub use crate::{
     code_model::{
         Adt, AsAssocItem, AssocItem, AssocItemContainer, AttrDef, Const, Crate, CrateDependency,
-        DefWithBody, Docs, Enum, EnumVariant, FieldSource, Function, GenericDef, HasAttrs,
+        DefWithBody, Docs, Enum, EnumVariant, Field, FieldSource, Function, GenericDef, HasAttrs,
         HasVisibility, ImplDef, Local, MacroDef, Module, ModuleDef, ScopeDef, Static, Struct,
-        StructField, Trait, Type, TypeAlias, TypeParam, Union, VariantDef, Visibility,
+        Trait, Type, TypeAlias, TypeParam, Union, VariantDef, Visibility,
     },
     has_source::HasSource,
     semantics::{original_range, PathResolution, Semantics, SemanticsScope},
diff --git a/crates/ra_hir/src/semantics.rs b/crates/ra_hir/src/semantics.rs
index 5d6edc45c..86bfb416c 100644
--- a/crates/ra_hir/src/semantics.rs
+++ b/crates/ra_hir/src/semantics.rs
@@ -14,7 +14,7 @@ use ra_db::{FileId, FileRange};
 use ra_prof::profile;
 use ra_syntax::{
     algo::{find_node_at_offset, skip_trivia_token},
-    ast, AstNode, Direction, SyntaxNode, SyntaxToken, TextRange, TextUnit,
+    ast, AstNode, Direction, SyntaxNode, SyntaxToken, TextRange, TextSize,
 };
 use rustc_hash::{FxHashMap, FxHashSet};
 
@@ -23,8 +23,8 @@ use crate::{
     diagnostics::Diagnostic,
     semantics::source_to_def::{ChildContainer, SourceToDefCache, SourceToDefCtx},
     source_analyzer::{resolve_hir_path, SourceAnalyzer},
-    AssocItem, Function, HirFileId, ImplDef, InFile, Local, MacroDef, Module, ModuleDef, Name,
-    Origin, Path, ScopeDef, StructField, Trait, Type, TypeParam,
+    AssocItem, Field, Function, HirFileId, ImplDef, InFile, Local, MacroDef, Module, ModuleDef,
+    Name, Origin, Path, ScopeDef, Trait, Type, TypeParam,
 };
 
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -95,7 +95,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
         let token = successors(Some(parent.with_value(token)), |token| {
             let macro_call = token.value.ancestors().find_map(ast::MacroCall::cast)?;
             let tt = macro_call.token_tree()?;
-            if !token.value.text_range().is_subrange(&tt.syntax().text_range()) {
+            if !tt.syntax().text_range().contains_range(token.value.text_range()) {
                 return None;
             }
             let file_id = sa.expand(self.db, token.with_value(&macro_call))?;
@@ -114,7 +114,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
     pub fn descend_node_at_offset<N: ast::AstNode>(
         &self,
         node: &SyntaxNode,
-        offset: TextUnit,
+        offset: TextSize,
     ) -> Option<N> {
         // Handle macro token cases
         node.token_at_offset(offset)
@@ -142,7 +142,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
     pub fn ancestors_at_offset_with_macros(
         &self,
         node: &SyntaxNode,
-        offset: TextUnit,
+        offset: TextSize,
     ) -> impl Iterator<Item = SyntaxNode> + '_ {
         node.token_at_offset(offset)
             .map(|token| self.ancestors_with_macros(token.parent()))
@@ -154,7 +154,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
     pub fn find_node_at_offset_with_macros<N: AstNode>(
         &self,
         node: &SyntaxNode,
-        offset: TextUnit,
+        offset: TextSize,
     ) -> Option<N> {
         self.ancestors_at_offset_with_macros(node, offset).find_map(N::cast)
     }
@@ -164,7 +164,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
     pub fn find_node_at_offset_with_descend<N: AstNode>(
         &self,
         node: &SyntaxNode,
-        offset: TextUnit,
+        offset: TextSize,
     ) -> Option<N> {
         if let Some(it) = find_node_at_offset(&node, offset) {
             return Some(it);
@@ -184,18 +184,15 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
         self.analyze(call.syntax()).resolve_method_call(self.db, call)
     }
 
-    pub fn resolve_field(&self, field: &ast::FieldExpr) -> Option<StructField> {
+    pub fn resolve_field(&self, field: &ast::FieldExpr) -> Option<Field> {
         self.analyze(field.syntax()).resolve_field(self.db, field)
     }
 
-    pub fn resolve_record_field(
-        &self,
-        field: &ast::RecordField,
-    ) -> Option<(StructField, Option<Local>)> {
+    pub fn resolve_record_field(&self, field: &ast::RecordField) -> Option<(Field, Option<Local>)> {
         self.analyze(field.syntax()).resolve_record_field(self.db, field)
     }
 
-    pub fn resolve_record_field_pat(&self, field: &ast::RecordFieldPat) -> Option<StructField> {
+    pub fn resolve_record_field_pat(&self, field: &ast::RecordFieldPat) -> Option<Field> {
         self.analyze(field.syntax()).resolve_record_field_pat(self.db, field)
     }
 
@@ -216,19 +213,13 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
     // FIXME: use this instead?
     // pub fn resolve_name_ref(&self, name_ref: &ast::NameRef) -> Option<???>;
 
-    pub fn record_literal_missing_fields(
-        &self,
-        literal: &ast::RecordLit,
-    ) -> Vec<(StructField, Type)> {
+    pub fn record_literal_missing_fields(&self, literal: &ast::RecordLit) -> Vec<(Field, Type)> {
         self.analyze(literal.syntax())
             .record_literal_missing_fields(self.db, literal)
             .unwrap_or_default()
     }
 
-    pub fn record_pattern_missing_fields(
-        &self,
-        pattern: &ast::RecordPat,
-    ) -> Vec<(StructField, Type)> {
+    pub fn record_pattern_missing_fields(&self, pattern: &ast::RecordPat) -> Vec<(Field, Type)> {
         self.analyze(pattern.syntax())
             .record_pattern_missing_fields(self.db, pattern)
             .unwrap_or_default()
@@ -255,7 +246,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
         SemanticsScope { db: self.db, resolver }
     }
 
-    pub fn scope_at_offset(&self, node: &SyntaxNode, offset: TextUnit) -> SemanticsScope<'db, DB> {
+    pub fn scope_at_offset(&self, node: &SyntaxNode, offset: TextSize) -> SemanticsScope<'db, DB> {
         let node = self.find_file(node.clone());
         let resolver = self.analyze2(node.as_ref(), Some(offset)).resolver;
         SemanticsScope { db: self.db, resolver }
@@ -271,7 +262,7 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
         self.analyze2(src.as_ref(), None)
     }
 
-    fn analyze2(&self, src: InFile<&SyntaxNode>, offset: Option<TextUnit>) -> SourceAnalyzer {
+    fn analyze2(&self, src: InFile<&SyntaxNode>, offset: Option<TextSize>) -> SourceAnalyzer {
         let _p = profile("Semantics::analyze2");
 
         let container = match self.with_ctx(|ctx| ctx.find_container(src)) {
@@ -359,8 +350,8 @@ to_def_impls![
     (crate::Const, ast::ConstDef, const_to_def),
     (crate::Static, ast::StaticDef, static_to_def),
     (crate::Function, ast::FnDef, fn_to_def),
-    (crate::StructField, ast::RecordFieldDef, record_field_to_def),
-    (crate::StructField, ast::TupleFieldDef, tuple_field_to_def),
+    (crate::Field, ast::RecordFieldDef, record_field_to_def),
+    (crate::Field, ast::TupleFieldDef, tuple_field_to_def),
     (crate::EnumVariant, ast::EnumVariant, enum_variant_to_def),
     (crate::TypeParam, ast::TypeParam, type_param_to_def),
     (crate::MacroDef, ast::MacroCall, macro_call_to_def), // this one is dubious, not all calls are macros
@@ -463,7 +454,7 @@ fn original_range_opt(
             return None;
         }
 
-        Some(first.with_value(first.value.text_range().extend_to(&last.value.text_range())))
+        Some(first.with_value(first.value.text_range().cover(last.value.text_range())))
     })?)
 }
 
diff --git a/crates/ra_hir/src/semantics/source_to_def.rs b/crates/ra_hir/src/semantics/source_to_def.rs
index 66724919b..6f3b5b2da 100644
--- a/crates/ra_hir/src/semantics/source_to_def.rs
+++ b/crates/ra_hir/src/semantics/source_to_def.rs
@@ -5,8 +5,8 @@ use hir_def::{
     dyn_map::DynMap,
     expr::PatId,
     keys::{self, Key},
-    ConstId, DefWithBodyId, EnumId, EnumVariantId, FunctionId, GenericDefId, ImplId, ModuleId,
-    StaticId, StructFieldId, StructId, TraitId, TypeAliasId, TypeParamId, UnionId, VariantId,
+    ConstId, DefWithBodyId, EnumId, EnumVariantId, FieldId, FunctionId, GenericDefId, ImplId,
+    ModuleId, StaticId, StructId, TraitId, TypeAliasId, TypeParamId, UnionId, VariantId,
 };
 use hir_expand::{name::AsName, AstId, MacroDefKind};
 use ra_db::FileId;
@@ -97,13 +97,13 @@ impl SourceToDefCtx<'_, '_> {
     pub(super) fn record_field_to_def(
         &mut self,
         src: InFile<ast::RecordFieldDef>,
-    ) -> Option<StructFieldId> {
+    ) -> Option<FieldId> {
         self.to_def(src, keys::RECORD_FIELD)
     }
     pub(super) fn tuple_field_to_def(
         &mut self,
         src: InFile<ast::TupleFieldDef>,
-    ) -> Option<StructFieldId> {
+    ) -> Option<FieldId> {
         self.to_def(src, keys::TUPLE_FIELD)
     }
     pub(super) fn enum_variant_to_def(
diff --git a/crates/ra_hir/src/source_analyzer.rs b/crates/ra_hir/src/source_analyzer.rs
index 0ed6d0958..74d64c97d 100644
--- a/crates/ra_hir/src/source_analyzer.rs
+++ b/crates/ra_hir/src/source_analyzer.rs
@@ -14,7 +14,7 @@ use hir_def::{
     },
     expr::{ExprId, Pat, PatId},
     resolver::{resolver_for_scope, Resolver, TypeNs, ValueNs},
-    AsMacroCall, DefWithBodyId, LocalStructFieldId, StructFieldId, VariantId,
+    AsMacroCall, DefWithBodyId, FieldId, LocalFieldId, VariantId,
 };
 use hir_expand::{hygiene::Hygiene, name::AsName, HirFileId, InFile};
 use hir_ty::{
@@ -23,12 +23,12 @@ use hir_ty::{
 };
 use ra_syntax::{
     ast::{self, AstNode},
-    SyntaxNode, TextRange, TextUnit,
+    SyntaxNode, TextRange, TextSize,
 };
 
 use crate::{
-    db::HirDatabase, semantics::PathResolution, Adt, Const, EnumVariant, Function, Local, MacroDef,
-    ModPath, ModuleDef, Path, PathKind, Static, Struct, StructField, Trait, Type, TypeAlias,
+    db::HirDatabase, semantics::PathResolution, Adt, Const, EnumVariant, Field, Function, Local,
+    MacroDef, ModPath, ModuleDef, Path, PathKind, Static, Struct, Trait, Type, TypeAlias,
     TypeParam,
 };
 use ra_db::CrateId;
@@ -50,7 +50,7 @@ impl SourceAnalyzer {
         db: &dyn HirDatabase,
         def: DefWithBodyId,
         node: InFile<&SyntaxNode>,
-        offset: Option<TextUnit>,
+        offset: Option<TextSize>,
     ) -> SourceAnalyzer {
         let (body, source_map) = db.body_with_source_map(def);
         let scopes = db.expr_scopes(def);
@@ -140,7 +140,7 @@ impl SourceAnalyzer {
         &self,
         db: &dyn HirDatabase,
         field: &ast::FieldExpr,
-    ) -> Option<StructField> {
+    ) -> Option<Field> {
         let expr_id = self.expr_id(db, &field.clone().into())?;
         self.infer.as_ref()?.field_resolution(expr_id).map(|it| it.into())
     }
@@ -149,7 +149,7 @@ impl SourceAnalyzer {
         &self,
         db: &dyn HirDatabase,
         field: &ast::RecordField,
-    ) -> Option<(StructField, Option<Local>)> {
+    ) -> Option<(Field, Option<Local>)> {
         let expr = field.expr()?;
         let expr_id = self.expr_id(db, &expr)?;
         let local = if field.name_ref().is_some() {
@@ -172,7 +172,7 @@ impl SourceAnalyzer {
         &self,
         _db: &dyn HirDatabase,
         field: &ast::RecordFieldPat,
-    ) -> Option<StructField> {
+    ) -> Option<Field> {
         let pat_id = self.pat_id(&field.pat()?)?;
         let struct_field = self.infer.as_ref()?.record_field_pat_resolution(pat_id)?;
         Some(struct_field.into())
@@ -232,7 +232,7 @@ impl SourceAnalyzer {
         &self,
         db: &dyn HirDatabase,
         literal: &ast::RecordLit,
-    ) -> Option<Vec<(StructField, Type)>> {
+    ) -> Option<Vec<(Field, Type)>> {
         let krate = self.resolver.krate()?;
         let body = self.body.as_ref()?;
         let infer = self.infer.as_ref()?;
@@ -253,7 +253,7 @@ impl SourceAnalyzer {
         &self,
         db: &dyn HirDatabase,
         pattern: &ast::RecordPat,
-    ) -> Option<Vec<(StructField, Type)>> {
+    ) -> Option<Vec<(Field, Type)>> {
         let krate = self.resolver.krate()?;
         let body = self.body.as_ref()?;
         let infer = self.infer.as_ref()?;
@@ -276,14 +276,14 @@ impl SourceAnalyzer {
         krate: CrateId,
         substs: &Substs,
         variant: VariantId,
-        missing_fields: Vec<LocalStructFieldId>,
-    ) -> Vec<(StructField, Type)> {
+        missing_fields: Vec<LocalFieldId>,
+    ) -> Vec<(Field, Type)> {
         let field_types = db.field_types(variant);
 
         missing_fields
             .into_iter()
             .map(|local_id| {
-                let field = StructFieldId { parent: variant, local_id };
+                let field = FieldId { parent: variant, local_id };
                 let ty = field_types[local_id].clone().subst(substs);
                 (field.into(), Type::new_with_resolver_inner(db, krate, &self.resolver, ty))
             })
@@ -318,7 +318,7 @@ fn scope_for_offset(
     db: &dyn HirDatabase,
     scopes: &ExprScopes,
     source_map: &BodySourceMap,
-    offset: InFile<TextUnit>,
+    offset: InFile<TextSize>,
 ) -> Option<ScopeId> {
     scopes
         .scope_by_expr()
@@ -354,7 +354,7 @@ fn adjust(
     source_map: &BodySourceMap,
     expr_range: TextRange,
     file_id: HirFileId,
-    offset: TextUnit,
+    offset: TextSize,
 ) -> Option<ScopeId> {
     let child_scopes = scopes
         .scope_by_expr()
@@ -369,15 +369,15 @@ fn adjust(
             let node = source.value.to_node(&root);
             Some((node.syntax().text_range(), scope))
         })
-        .filter(|(range, _)| {
-            range.start() <= offset && range.is_subrange(&expr_range) && *range != expr_range
+        .filter(|&(range, _)| {
+            range.start() <= offset && expr_range.contains_range(range) && range != expr_range
         });
 
     child_scopes
-        .max_by(|(r1, _), (r2, _)| {
-            if r2.is_subrange(&r1) {
+        .max_by(|&(r1, _), &(r2, _)| {
+            if r1.contains_range(r2) {
                 std::cmp::Ordering::Greater
-            } else if r1.is_subrange(&r2) {
+            } else if r2.contains_range(r1) {
                 std::cmp::Ordering::Less
             } else {
                 r1.start().cmp(&r2.start())