Auto merge of rust-lang#16518 - tetsuharuohzeki:enable-some-minor-lints, r=Veykril

Enable some minor lints that we should tackles

This enables these lint rules that are commented as we should tackle at some points.

- non_canonical_clone_impl
- non_canonical_partial_ord_impl
- self_named_constructors

Author: bors

Cargo.toml

@@ -172,9 +172,6 @@ borrowed_box = "allow"
 derived_hash_with_manual_eq = "allow"
 forget_non_drop = "allow"
 needless_doctest_main = "allow"
-non_canonical_clone_impl = "allow"
-non_canonical_partial_ord_impl = "allow"
-self_named_constructors = "allow"
 too_many_arguments = "allow"
 type_complexity = "allow"
 wrong_self_convention = "allow"

crates/hir-def/src/attr.rs

@@ -317,7 +317,7 @@ fn parse_comma_sep<S>(subtree: &tt::Subtree<S>) -> Vec<SmolStr> {
 }
 
 impl AttrsWithOwner {
-    pub fn attrs_with_owner(db: &dyn DefDatabase, owner: AttrDefId) -> Self {
+    pub fn new(db: &dyn DefDatabase, owner: AttrDefId) -> Self {
         Self { attrs: db.attrs(owner), owner }
     }
 

crates/hir-def/src/item_tree.rs

@@ -372,7 +372,7 @@ impl<N> FileItemTreeId<N> {
 
 impl<N> Clone for FileItemTreeId<N> {
     fn clone(&self) -> Self {
-        Self(self.0)
+        *self
     }
 }
 impl<N> Copy for FileItemTreeId<N> {}

crates/hir-def/src/lib.rs

@@ -219,7 +219,7 @@ pub struct ItemLoc<N: ItemTreeModItemNode> {
 
 impl<N: ItemTreeModItemNode> Clone for ItemLoc<N> {
     fn clone(&self) -> Self {
-        Self { container: self.container, id: self.id }
+        *self
     }
 }
 
@@ -248,7 +248,7 @@ pub struct AssocItemLoc<N: ItemTreeModItemNode> {
 
 impl<N: ItemTreeModItemNode> Clone for AssocItemLoc<N> {
     fn clone(&self) -> Self {
-        Self { container: self.container, id: self.id }
+        *self
     }
 }
 

crates/hir-expand/src/ast_id_map.rs

@@ -155,7 +155,7 @@ impl PartialEq for AstIdMap {
 impl Eq for AstIdMap {}
 
 impl AstIdMap {
-    pub(crate) fn ast_id_map(
+    pub(crate) fn new(
         db: &dyn ExpandDatabase,
         file_id: span::HirFileId,
     ) -> triomphe::Arc<AstIdMap> {

crates/hir-expand/src/db.rs

@@ -61,7 +61,7 @@ pub trait ExpandDatabase: SourceDatabase {
     #[salsa::input]
     fn proc_macros(&self) -> Arc<ProcMacros>;
 
-    #[salsa::invoke(AstIdMap::ast_id_map)]
+    #[salsa::invoke(AstIdMap::new)]
     fn ast_id_map(&self, file_id: HirFileId) -> Arc<AstIdMap>;
 
     /// Main public API -- parses a hir file, not caring whether it's a real

crates/hir/src/attrs.rs

@@ -30,7 +30,7 @@ macro_rules! impl_has_attrs {
         impl HasAttrs for $def {
             fn attrs(self, db: &dyn HirDatabase) -> AttrsWithOwner {
                 let def = AttrDefId::$def_id(self.into());
-                AttrsWithOwner::attrs_with_owner(db.upcast(), def)
+                AttrsWithOwner::new(db.upcast(), def)
             }
             fn attr_id(self) -> AttrDefId {
                 AttrDefId::$def_id(self.into())

crates/syntax/src/ptr.rs

@@ -36,7 +36,7 @@ impl<N: AstNode + std::fmt::Debug> std::fmt::Debug for AstPtr<N> {
 impl<N: AstNode> Copy for AstPtr<N> {}
 impl<N: AstNode> Clone for AstPtr<N> {
     fn clone(&self) -> AstPtr<N> {
-        AstPtr { raw: self.raw, _ty: PhantomData }
+        *self
     }
 }
 

lib/la-arena/src/lib.rs

@@ -70,7 +70,7 @@ impl<T> Ord for Idx<T> {
 
 impl<T> PartialOrd for Idx<T> {
     fn partial_cmp(&self, other: &Self) -> Option<cmp::Ordering> {
-        self.raw.partial_cmp(&other.raw)
+        Some(self.cmp(other))
     }
 }