make clippy happy

cstree/src/getting_started.rs

@@ -4,15 +4,15 @@
 //! to happen to go from input text to a `cstree` syntax tree:
 //!
 //!  1. Define an enumeration of the types of tokens (like keywords) and nodes (like "an expression") that you want to
-//! have in your syntax and implement [`Syntax`]
+//!     have in your syntax and implement [`Syntax`]
 //!
 //!  2. Create a [`GreenNodeBuilder`](crate::build::GreenNodeBuilder) and call
-//! [`start_node`](crate::build::GreenNodeBuilder::start_node), [`token`](crate::build::GreenNodeBuilder::token) and
-//! [`finish_node`](crate::build::GreenNodeBuilder::finish_node) from your parser  
+//!     [`start_node`](crate::build::GreenNodeBuilder::start_node), [`token`](crate::build::GreenNodeBuilder::token) and
+//!     [`finish_node`](crate::build::GreenNodeBuilder::finish_node) from your parser
 //!
 //!  3. Call [`SyntaxNode::new_root`](crate::syntax::SyntaxNode::new_root) or
-//! [`SyntaxNode::new_root_with_resolver`](crate::syntax::SyntaxNode::new_root_with_resolver) with the resulting
-//! [`GreenNode`](crate::green::GreenNode) to obtain a syntax tree that you can traverse
+//!     [`SyntaxNode::new_root_with_resolver`](crate::syntax::SyntaxNode::new_root_with_resolver) with the resulting
+//!     [`GreenNode`](crate::green::GreenNode) to obtain a syntax tree that you can traverse
 //!
 //! Let's walk through the motions of parsing a (very) simple language into `cstree` syntax trees.
 //! We'll just support addition and subtraction on integers, from which the user is allowed to construct a single,

cstree/src/green/element.rs

@@ -131,7 +131,7 @@ impl PackedGreenElement {
 
     pub(crate) fn into_node(self) -> Option<GreenNode> {
         if self.is_node() {
-            unsafe { Some(mem::transmute(self)) }
+            unsafe { Some(mem::transmute::<Self, GreenNode>(self)) }
         } else {
             None
         }
@@ -147,7 +147,7 @@ impl PackedGreenElement {
 
     pub(crate) fn into_token(self) -> Option<GreenToken> {
         if !self.is_node() {
-            unsafe { Some(mem::transmute(self)) }
+            unsafe { Some(mem::transmute::<Self, GreenToken>(self)) }
         } else {
             None
         }

cstree/src/lib.rs

@@ -58,15 +58,15 @@
 //! to happen to go from input text to a `cstree` syntax tree:
 //!
 //!  1. Define an enumeration of the types of tokens (like keywords) and nodes (like "an expression") that you want to
-//! have in your syntax and implement [`Syntax`]
+//!     have in your syntax and implement [`Syntax`]
 //!
 //!  2. Create a [`GreenNodeBuilder`](build::GreenNodeBuilder) and call
-//! [`start_node`](build::GreenNodeBuilder::start_node), [`token`](build::GreenNodeBuilder::token) and
-//! [`finish_node`](build::GreenNodeBuilder::finish_node) from your parser  
+//!     [`start_node`](build::GreenNodeBuilder::start_node), [`token`](build::GreenNodeBuilder::token) and
+//!     [`finish_node`](build::GreenNodeBuilder::finish_node) from your parser
 //!
 //!  3. Call [`SyntaxNode::new_root`](syntax::SyntaxNode::new_root) or
-//! [`SyntaxNode::new_root_with_resolver`](syntax::SyntaxNode::new_root_with_resolver) with the resulting
-//! [`GreenNode`](green::GreenNode) to obtain a syntax tree that you can traverse
+//!     [`SyntaxNode::new_root_with_resolver`](syntax::SyntaxNode::new_root_with_resolver) with the resulting
+//!     [`GreenNode`](green::GreenNode) to obtain a syntax tree that you can traverse
 //!
 //! There's a full [getting started guide] that walks through each of the above steps in detail in the documentation for
 //! the `getting_started` module. The walkthrough goes through the necessary steps bit by bit and skips the lexer, but
@@ -86,7 +86,11 @@
 
 #![forbid(missing_debug_implementations, unconditional_recursion)]
 #![deny(unsafe_code, future_incompatible)]
-#![allow(unstable_name_collisions)] // strict provenance - must come after `future_incompatible` to take precedence
+#![allow(
+    unstable_name_collisions, // strict provenance - must come after `future_incompatible` to take precedence
+    unexpected_cfgs, // nightly docs.rs features and `salsa-2022` feature until that is figured out
+    clippy::duplicated_attributes, // interning modules
+)]
 #![warn(missing_docs)]
 // Docs.rs
 #![doc(html_root_url = "https://docs.rs/cstree/0.12.0")]

cstree/src/syntax/node.rs

@@ -400,6 +400,7 @@ impl<S: Syntax, D> SyntaxNode<S, D> {
     }
 
     /// Returns the data associated with this node, if any.
+    #[allow(clippy::useless_asref)] // make `Arc::clone` explicit
     pub fn get_data(&self) -> Option<Arc<D>> {
         let ptr = self.data().data.read();
         (*ptr).as_ref().map(Arc::clone)