Fix unnecessary braces warnings

crates/ra_hir/src/semantics/source_to_def.rs

@@ -208,12 +208,12 @@ impl SourceToDefCtx<'_, '_> {
         for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
             let res: GenericDefId = match_ast! {
                 match (container.value) {
-                    ast::FnDef(it) => { self.fn_to_def(container.with_value(it))?.into() },
-                    ast::StructDef(it) => { self.struct_to_def(container.with_value(it))?.into() },
-                    ast::EnumDef(it) => { self.enum_to_def(container.with_value(it))?.into() },
-                    ast::TraitDef(it) => { self.trait_to_def(container.with_value(it))?.into() },
-                    ast::TypeAliasDef(it) => { self.type_alias_to_def(container.with_value(it))?.into() },
-                    ast::ImplDef(it) => { self.impl_to_def(container.with_value(it))?.into() },
+                    ast::FnDef(it) => self.fn_to_def(container.with_value(it))?.into(),
+                    ast::StructDef(it) => self.struct_to_def(container.with_value(it))?.into(),
+                    ast::EnumDef(it) => self.enum_to_def(container.with_value(it))?.into(),
+                    ast::TraitDef(it) => self.trait_to_def(container.with_value(it))?.into(),
+                    ast::TypeAliasDef(it) => self.type_alias_to_def(container.with_value(it))?.into(),
+                    ast::ImplDef(it) => self.impl_to_def(container.with_value(it))?.into(),
                     _ => continue,
                 }
             };
@@ -226,9 +226,9 @@ impl SourceToDefCtx<'_, '_> {
         for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
             let res: DefWithBodyId = match_ast! {
                 match (container.value) {
-                    ast::ConstDef(it) => { self.const_to_def(container.with_value(it))?.into() },
-                    ast::StaticDef(it) => { self.static_to_def(container.with_value(it))?.into() },
-                    ast::FnDef(it) => { self.fn_to_def(container.with_value(it))?.into() },
+                    ast::ConstDef(it) => self.const_to_def(container.with_value(it))?.into(),
+                    ast::StaticDef(it) => self.static_to_def(container.with_value(it))?.into(),
+                    ast::FnDef(it) => self.fn_to_def(container.with_value(it))?.into(),
                     _ => continue,
                 }
             };

crates/ra_hir_expand/src/builtin_derive.rs

@@ -73,9 +73,9 @@ fn parse_adt(tt: &tt::Subtree) -> Result<BasicAdtInfo, mbe::ExpandError> {
     let node = item.syntax();
     let (name, params) = match_ast! {
         match node {
-            ast::StructDef(it) => { (it.name(), it.type_param_list()) },
-            ast::EnumDef(it) => { (it.name(), it.type_param_list()) },
-            ast::UnionDef(it) => { (it.name(), it.type_param_list()) },
+            ast::StructDef(it) => (it.name(), it.type_param_list()),
+            ast::EnumDef(it) => (it.name(), it.type_param_list()),
+            ast::UnionDef(it) => (it.name(), it.type_param_list()),
             _ => {
                 debug!("unexpected node is {:?}", node);
                 return Err(mbe::ExpandError::ConversionError)

crates/ra_ide/src/call_info.rs

@@ -109,16 +109,16 @@ impl FnCallNode {
         syntax.ancestors().find_map(|node| {
             match_ast! {
                 match node {
-                    ast::CallExpr(it) => { Some(FnCallNode::CallExpr(it)) },
+                    ast::CallExpr(it) => Some(FnCallNode::CallExpr(it)),
                     ast::MethodCallExpr(it) => {
                         let arg_list = it.arg_list()?;
                         if !syntax.text_range().is_subrange(&arg_list.syntax().text_range()) {
                             return None;
                         }
                         Some(FnCallNode::MethodCallExpr(it))
                     },
-                    ast::MacroCall(it) => { Some(FnCallNode::MacroCallExpr(it)) },
-                    _ => { None },
+                    ast::MacroCall(it) => Some(FnCallNode::MacroCallExpr(it)),
+                    _ => None,
                 }
             }
         })
@@ -127,10 +127,10 @@ impl FnCallNode {
     pub(crate) fn with_node_exact(node: &SyntaxNode) -> Option<FnCallNode> {
         match_ast! {
             match node {
-                ast::CallExpr(it) => { Some(FnCallNode::CallExpr(it)) },
-                ast::MethodCallExpr(it) => { Some(FnCallNode::MethodCallExpr(it)) },
-                ast::MacroCall(it) => { Some(FnCallNode::MacroCallExpr(it)) },
-                _ => { None },
+                ast::CallExpr(it) => Some(FnCallNode::CallExpr(it)),
+                ast::MethodCallExpr(it) => Some(FnCallNode::MethodCallExpr(it)),
+                ast::MacroCall(it) => Some(FnCallNode::MacroCallExpr(it)),
+                _ => None,
             }
         }
     }

crates/ra_ide/src/completion/complete_fn_param.rs

@@ -18,8 +18,8 @@ pub(super) fn complete_fn_param(acc: &mut Completions, ctx: &CompletionContext)
     for node in ctx.token.parent().ancestors() {
         match_ast! {
             match node {
-                ast::SourceFile(it) => { process(it, &mut params) },
-                ast::ItemList(it) => { process(it, &mut params) },
+                ast::SourceFile(it) => process(it, &mut params),
+                ast::ItemList(it) => process(it, &mut params),
                 _ => (),
             }
         }

crates/ra_ide/src/completion/complete_keyword.rs

@@ -86,9 +86,9 @@ fn is_in_loop_body(leaf: &SyntaxToken) -> bool {
         }
         let loop_body = match_ast! {
             match node {
-                ast::ForExpr(it) => { it.loop_body() },
-                ast::WhileExpr(it) => { it.loop_body() },
-                ast::LoopExpr(it) => { it.loop_body() },
+                ast::ForExpr(it) => it.loop_body(),
+                ast::WhileExpr(it) => it.loop_body(),
+                ast::LoopExpr(it) => it.loop_body(),
                 _ => None,
             }
         };

crates/ra_ide/src/display/navigation_target.rs

@@ -399,17 +399,17 @@ pub(crate) fn docs_from_symbol(db: &RootDatabase, symbol: &FileSymbol) -> Option
 
     match_ast! {
         match node {
-            ast::FnDef(it) => { it.doc_comment_text() },
-            ast::StructDef(it) => { it.doc_comment_text() },
-            ast::EnumDef(it) => { it.doc_comment_text() },
-            ast::TraitDef(it) => { it.doc_comment_text() },
-            ast::Module(it) => { it.doc_comment_text() },
-            ast::TypeAliasDef(it) => { it.doc_comment_text() },
-            ast::ConstDef(it) => { it.doc_comment_text() },
-            ast::StaticDef(it) => { it.doc_comment_text() },
-            ast::RecordFieldDef(it) => { it.doc_comment_text() },
-            ast::EnumVariant(it) => { it.doc_comment_text() },
-            ast::MacroCall(it) => { it.doc_comment_text() },
+            ast::FnDef(it) => it.doc_comment_text(),
+            ast::StructDef(it) => it.doc_comment_text(),
+            ast::EnumDef(it) => it.doc_comment_text(),
+            ast::TraitDef(it) => it.doc_comment_text(),
+            ast::Module(it) => it.doc_comment_text(),
+            ast::TypeAliasDef(it) => it.doc_comment_text(),
+            ast::ConstDef(it) => it.doc_comment_text(),
+            ast::StaticDef(it) => it.doc_comment_text(),
+            ast::RecordFieldDef(it) => it.doc_comment_text(),
+            ast::EnumVariant(it) => it.doc_comment_text(),
+            ast::MacroCall(it) => it.doc_comment_text(),
             _ => None,
         }
     }
@@ -424,16 +424,16 @@ pub(crate) fn description_from_symbol(db: &RootDatabase, symbol: &FileSymbol) ->
 
     match_ast! {
         match node {
-            ast::FnDef(it) => { it.short_label() },
-            ast::StructDef(it) => { it.short_label() },
-            ast::EnumDef(it) => { it.short_label() },
-            ast::TraitDef(it) => { it.short_label() },
-            ast::Module(it) => { it.short_label() },
-            ast::TypeAliasDef(it) => { it.short_label() },
-            ast::ConstDef(it) => { it.short_label() },
-            ast::StaticDef(it) => { it.short_label() },
-            ast::RecordFieldDef(it) => { it.short_label() },
-            ast::EnumVariant(it) => { it.short_label() },
+            ast::FnDef(it) => it.short_label(),
+            ast::StructDef(it) => it.short_label(),
+            ast::EnumDef(it) => it.short_label(),
+            ast::TraitDef(it) => it.short_label(),
+            ast::Module(it) => it.short_label(),
+            ast::TypeAliasDef(it) => it.short_label(),
+            ast::ConstDef(it) => it.short_label(),
+            ast::StaticDef(it) => it.short_label(),
+            ast::RecordFieldDef(it) => it.short_label(),
+            ast::EnumVariant(it) => it.short_label(),
             _ => None,
         }
     }

crates/ra_ide/src/display/structure.rs

@@ -117,18 +117,18 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
 
                 decl_with_detail(it, Some(detail))
             },
-            ast::StructDef(it) => { decl(it) },
-            ast::EnumDef(it) => { decl(it) },
-            ast::EnumVariant(it) => { decl(it) },
-            ast::TraitDef(it) => { decl(it) },
-            ast::Module(it) => { decl(it) },
+            ast::StructDef(it) => decl(it),
+            ast::EnumDef(it) => decl(it),
+            ast::EnumVariant(it) => decl(it),
+            ast::TraitDef(it) => decl(it),
+            ast::Module(it) => decl(it),
             ast::TypeAliasDef(it) => {
                 let ty = it.type_ref();
                 decl_with_type_ref(it, ty)
             },
-            ast::RecordFieldDef(it) => { decl_with_ascription(it) },
-            ast::ConstDef(it) => { decl_with_ascription(it) },
-            ast::StaticDef(it) => { decl_with_ascription(it) },
+            ast::RecordFieldDef(it) => decl_with_ascription(it),
+            ast::ConstDef(it) => decl_with_ascription(it),
+            ast::StaticDef(it) => decl_with_ascription(it),
             ast::ImplDef(it) => {
                 let target_type = it.target_type()?;
                 let target_trait = it.target_trait();

crates/ra_ide/src/goto_type_definition.rs

@@ -18,9 +18,9 @@ pub(crate) fn goto_type_definition(
     let (ty, node) = sema.ancestors_with_macros(token.parent()).find_map(|node| {
         let ty = match_ast! {
             match node {
-                ast::Expr(expr) => { sema.type_of_expr(&expr)? },
-                ast::Pat(pat) => { sema.type_of_pat(&pat)? },
-                _ => { return None },
+                ast::Expr(expr) => sema.type_of_expr(&expr)?,
+                ast::Pat(pat) => sema.type_of_pat(&pat)?,
+                _ => return None,
             }
         };
 

crates/ra_ide/src/runnables.rs

@@ -49,8 +49,8 @@ pub(crate) fn runnables(db: &RootDatabase, file_id: FileId) -> Vec<Runnable> {
 fn runnable(sema: &Semantics<RootDatabase>, item: SyntaxNode) -> Option<Runnable> {
     match_ast! {
         match item {
-            ast::FnDef(it) => { runnable_fn(sema, it) },
-            ast::Module(it) => { runnable_mod(sema, it) },
+            ast::FnDef(it) => runnable_fn(sema, it),
+            ast::Module(it) => runnable_mod(sema, it),
             _ => None,
         }
     }

crates/ra_ide_db/src/search.rs

@@ -286,7 +286,7 @@ fn reference_access(def: &Definition, name_ref: &ast::NameRef) -> Option<Referen
                     }
                     Some(ReferenceAccess::Read)
                 },
-                _ => {None}
+                _ => None
             }
         }
     });

crates/ra_ide_db/src/symbol_index.rs

@@ -354,14 +354,14 @@ fn to_symbol(node: &SyntaxNode) -> Option<(SmolStr, SyntaxNodePtr, TextRange)> {
     }
     match_ast! {
         match node {
-            ast::FnDef(it) => { decl(it) },
-            ast::StructDef(it) => { decl(it) },
-            ast::EnumDef(it) => { decl(it) },
-            ast::TraitDef(it) => { decl(it) },
-            ast::Module(it) => { decl(it) },
-            ast::TypeAliasDef(it) => { decl(it) },
-            ast::ConstDef(it) => { decl(it) },
-            ast::StaticDef(it) => { decl(it) },
+            ast::FnDef(it) => decl(it),
+            ast::StructDef(it) => decl(it),
+            ast::EnumDef(it) => decl(it),
+            ast::TraitDef(it) => decl(it),
+            ast::Module(it) => decl(it),
+            ast::TypeAliasDef(it) => decl(it),
+            ast::ConstDef(it) => decl(it),
+            ast::StaticDef(it) => decl(it),
             ast::MacroCall(it) => {
                 if it.is_macro_rules().is_some() {
                     decl(it)

crates/ra_syntax/src/validation.rs

@@ -88,12 +88,12 @@ pub(crate) fn validate(root: &SyntaxNode) -> Vec<SyntaxError> {
     for node in root.descendants() {
         match_ast! {
             match node {
-                ast::Literal(it) => { validate_literal(it, &mut errors) },
-                ast::BlockExpr(it) => { block::validate_block_expr(it, &mut errors) },
-                ast::FieldExpr(it) => { validate_numeric_name(it.name_ref(), &mut errors) },
-                ast::RecordField(it) => { validate_numeric_name(it.name_ref(), &mut errors) },
-                ast::Visibility(it) => { validate_visibility(it, &mut errors) },
-                ast::RangeExpr(it) => { validate_range_expr(it, &mut errors) },
+                ast::Literal(it) => validate_literal(it, &mut errors),
+                ast::BlockExpr(it) => block::validate_block_expr(it, &mut errors),
+                ast::FieldExpr(it) => validate_numeric_name(it.name_ref(), &mut errors),
+                ast::RecordField(it) => validate_numeric_name(it.name_ref(), &mut errors),
+                ast::Visibility(it) => validate_visibility(it, &mut errors),
+                ast::RangeExpr(it) => validate_range_expr(it, &mut errors),
                 _ => (),
             }
         }