Run cargo fix --edition-idioms

Author: fasterthanlime

crates/base-db/src/change.rs

@@ -17,7 +17,7 @@ pub struct Change {
 }
 
 impl fmt::Debug for Change {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         let mut d = fmt.debug_struct("Change");
         if let Some(roots) = &self.roots {
             d.field("roots", roots);

crates/base-db/src/input.rs

@@ -104,7 +104,7 @@ impl CrateName {
 }
 
 impl fmt::Display for CrateName {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         self.0.fmt(f)
     }
 }
@@ -187,7 +187,7 @@ impl From<CrateName> for CrateDisplayName {
 }
 
 impl fmt::Display for CrateDisplayName {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         self.crate_name.fmt(f)
     }
 }

crates/base-db/src/lib.rs

@@ -57,7 +57,7 @@ pub const DEFAULT_LRU_CAP: usize = 128;
 pub trait FileLoader {
     /// Text of the file.
     fn file_text(&self, file_id: FileId) -> Arc<String>;
-    fn resolve_path(&self, path: AnchoredPath) -> Option<FileId>;
+    fn resolve_path(&self, path: AnchoredPath<'_>) -> Option<FileId>;
     fn relevant_crates(&self, file_id: FileId) -> Arc<FxHashSet<CrateId>>;
 }
 
@@ -116,7 +116,7 @@ impl<T: SourceDatabaseExt> FileLoader for FileLoaderDelegate<&'_ T> {
     fn file_text(&self, file_id: FileId) -> Arc<String> {
         SourceDatabaseExt::file_text(self.0, file_id)
     }
-    fn resolve_path(&self, path: AnchoredPath) -> Option<FileId> {
+    fn resolve_path(&self, path: AnchoredPath<'_>) -> Option<FileId> {
         // FIXME: this *somehow* should be platform agnostic...
         let source_root = self.0.file_source_root(path.anchor);
         let source_root = self.0.source_root(source_root);

crates/cfg/src/cfg_expr.rs

@@ -85,7 +85,7 @@ impl CfgExpr {
     }
 }
 
-fn next_cfg_expr(it: &mut SliceIter<tt::TokenTree>) -> Option<CfgExpr> {
+fn next_cfg_expr(it: &mut SliceIter<'_, tt::TokenTree>) -> Option<CfgExpr> {
     let name = match it.next() {
         None => return None,
         Some(tt::TokenTree::Leaf(tt::Leaf::Ident(ident))) => ident.text.clone(),

crates/hir-def/src/generics.rs

@@ -195,7 +195,7 @@ impl GenericParams {
         }
     }
 
-    pub(crate) fn fill(&mut self, lower_ctx: &LowerCtx, node: &dyn HasGenericParams) {
+    pub(crate) fn fill(&mut self, lower_ctx: &LowerCtx<'_>, node: &dyn HasGenericParams) {
         if let Some(params) = node.generic_param_list() {
             self.fill_params(lower_ctx, params)
         }
@@ -206,7 +206,7 @@ impl GenericParams {
 
     pub(crate) fn fill_bounds(
         &mut self,
-        lower_ctx: &LowerCtx,
+        lower_ctx: &LowerCtx<'_>,
         node: &dyn ast::HasTypeBounds,
         target: Either<TypeRef, LifetimeRef>,
     ) {
@@ -217,7 +217,7 @@ impl GenericParams {
         }
     }
 
-    fn fill_params(&mut self, lower_ctx: &LowerCtx, params: ast::GenericParamList) {
+    fn fill_params(&mut self, lower_ctx: &LowerCtx<'_>, params: ast::GenericParamList) {
         for type_or_const_param in params.type_or_const_params() {
             match type_or_const_param {
                 ast::TypeOrConstParam::Type(type_param) => {
@@ -259,7 +259,7 @@ impl GenericParams {
         }
     }
 
-    fn fill_where_predicates(&mut self, lower_ctx: &LowerCtx, where_clause: ast::WhereClause) {
+    fn fill_where_predicates(&mut self, lower_ctx: &LowerCtx<'_>, where_clause: ast::WhereClause) {
         for pred in where_clause.predicates() {
             let target = if let Some(type_ref) = pred.ty() {
                 Either::Left(TypeRef::from_ast(lower_ctx, type_ref))
@@ -293,7 +293,7 @@ impl GenericParams {
 
     fn add_where_predicate_from_bound(
         &mut self,
-        lower_ctx: &LowerCtx,
+        lower_ctx: &LowerCtx<'_>,
         bound: ast::TypeBound,
         hrtb_lifetimes: Option<&Box<[Name]>>,
         target: Either<TypeRef, LifetimeRef>,

crates/hir-def/src/nameres/collector.rs

@@ -1509,7 +1509,7 @@ impl ModCollector<'_, '_> {
             let module = self.def_collector.def_map.module_id(self.module_id);
             let def_map = &mut self.def_collector.def_map;
             let update_def =
-                |def_collector: &mut DefCollector, id, name: &Name, vis, has_constructor| {
+                |def_collector: &mut DefCollector<'_>, id, name: &Name, vis, has_constructor| {
                     def_collector.def_map.modules[self.module_id].scope.declare(id);
                     def_collector.update(
                         self.module_id,

crates/hir-def/src/path.rs

@@ -88,7 +88,7 @@ pub enum GenericArg {
 impl Path {
     /// Converts an `ast::Path` to `Path`. Works with use trees.
     /// It correctly handles `$crate` based path from macro call.
-    pub fn from_src(path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
+    pub fn from_src(path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path> {
         lower::lower_path(path, ctx)
     }
 
@@ -188,7 +188,7 @@ impl<'a> PathSegments<'a> {
 }
 
 impl GenericArgs {
-    pub(crate) fn from_ast(lower_ctx: &LowerCtx, node: ast::GenericArgList) -> Option<GenericArgs> {
+    pub(crate) fn from_ast(lower_ctx: &LowerCtx<'_>, node: ast::GenericArgList) -> Option<GenericArgs> {
         lower::lower_generic_args(lower_ctx, node)
     }
 

crates/hir-def/src/path/lower.rs

@@ -15,7 +15,7 @@ use crate::{
 
 /// Converts an `ast::Path` to `Path`. Works with use trees.
 /// It correctly handles `$crate` based path from macro call.
-pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
+pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path> {
     let mut kind = PathKind::Plain;
     let mut type_anchor = None;
     let mut segments = Vec::new();
@@ -149,7 +149,7 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
 }
 
 pub(super) fn lower_generic_args(
-    lower_ctx: &LowerCtx,
+    lower_ctx: &LowerCtx<'_>,
     node: ast::GenericArgList,
 ) -> Option<GenericArgs> {
     let mut args = Vec::new();
@@ -196,7 +196,7 @@ pub(super) fn lower_generic_args(
 /// Collect `GenericArgs` from the parts of a fn-like path, i.e. `Fn(X, Y)
 /// -> Z` (which desugars to `Fn<(X, Y), Output=Z>`).
 fn lower_generic_args_from_fn_path(
-    ctx: &LowerCtx,
+    ctx: &LowerCtx<'_>,
     params: Option<ast::ParamList>,
     ret_type: Option<ast::RetType>,
 ) -> Option<GenericArgs> {

crates/hir-def/src/test_db.rs

@@ -73,7 +73,7 @@ impl FileLoader for TestDB {
     fn file_text(&self, file_id: FileId) -> Arc<String> {
         FileLoaderDelegate(self).file_text(file_id)
     }
-    fn resolve_path(&self, path: AnchoredPath) -> Option<FileId> {
+    fn resolve_path(&self, path: AnchoredPath<'_>) -> Option<FileId> {
         FileLoaderDelegate(self).resolve_path(path)
     }
     fn relevant_crates(&self, file_id: FileId) -> Arc<FxHashSet<CrateId>> {

crates/hir-def/src/type_ref.rs

@@ -86,7 +86,7 @@ pub struct TraitRef {
 
 impl TraitRef {
     /// Converts an `ast::PathType` to a `hir::TraitRef`.
-    pub(crate) fn from_ast(ctx: &LowerCtx, node: ast::Type) -> Option<Self> {
+    pub(crate) fn from_ast(ctx: &LowerCtx<'_>, node: ast::Type) -> Option<Self> {
         // FIXME: Use `Path::from_src`
         match node {
             ast::Type::PathType(path) => {
@@ -159,7 +159,7 @@ pub enum TraitBoundModifier {
 
 impl TypeRef {
     /// Converts an `ast::TypeRef` to a `hir::TypeRef`.
-    pub fn from_ast(ctx: &LowerCtx, node: ast::Type) -> Self {
+    pub fn from_ast(ctx: &LowerCtx<'_>, node: ast::Type) -> Self {
         match node {
             ast::Type::ParenType(inner) => TypeRef::from_ast_opt(ctx, inner.ty()),
             ast::Type::TupleType(inner) => {
@@ -245,7 +245,7 @@ impl TypeRef {
         }
     }
 
-    pub(crate) fn from_ast_opt(ctx: &LowerCtx, node: Option<ast::Type>) -> Self {
+    pub(crate) fn from_ast_opt(ctx: &LowerCtx<'_>, node: Option<ast::Type>) -> Self {
         match node {
             Some(node) => TypeRef::from_ast(ctx, node),
             None => TypeRef::Error,
@@ -320,7 +320,7 @@ impl TypeRef {
 }
 
 pub(crate) fn type_bounds_from_ast(
-    lower_ctx: &LowerCtx,
+    lower_ctx: &LowerCtx<'_>,
     type_bounds_opt: Option<ast::TypeBoundList>,
 ) -> Vec<Interned<TypeBound>> {
     if let Some(type_bounds) = type_bounds_opt {
@@ -331,7 +331,7 @@ pub(crate) fn type_bounds_from_ast(
 }
 
 impl TypeBound {
-    pub(crate) fn from_ast(ctx: &LowerCtx, node: ast::TypeBound) -> Self {
+    pub(crate) fn from_ast(ctx: &LowerCtx<'_>, node: ast::TypeBound) -> Self {
         let lower_path_type = |path_type: ast::PathType| ctx.lower_path(path_type.path()?);
 
         match node.kind() {