♻️ Fix basic clippy

Author: Philogy

src/main.rs

@@ -45,7 +45,7 @@ const BALLS_INSERT_END: &str = "\n// balls-insert-end";
 
 fn splice_into_huff(path: &str, content_to_inject: String) -> Result<(), String> {
     let content =
-        std::fs::read_to_string(&path).map_err(|_| format!("Failed to read file {}", path))?;
+        std::fs::read_to_string(path).map_err(|_| format!("Failed to read file {}", path))?;
     let start_index = content
         .find(BALLS_INSERT_START)
         .ok_or(format!("Could not find \"{}\"", BALLS_INSERT_START))?
@@ -61,7 +61,7 @@ fn splice_into_huff(path: &str, content_to_inject: String) -> Result<(), String>
         &content[end_index..]
     );
 
-    std::fs::write(&path, new_content).map_err(|_| format!("Failed to write file {}", path))?;
+    std::fs::write(path, new_content).map_err(|_| format!("Failed to write file {}", path))?;
 
     Ok(())
 }
@@ -88,7 +88,7 @@ fn main() {
 
     let (maybe_ast_nodes, errs) = parser::parse_tokens(tokens.clone());
 
-    let errored = print_errors(&src, &file_path, errs, |tok_span| {
+    let errored = print_errors(&src, file_path, errs, |tok_span| {
         resolve_span_span(tok_span, &spanned_tokens)
     });
 

src/parser/ast.rs

@@ -20,7 +20,7 @@ impl MacroArg {
     pub fn balls_repr(&self) -> String {
         match self {
             Self::Num(num) => format!("0x{:x}", num),
-            Self::ArgRef(ident) => format!("{}", ident),
+            Self::ArgRef(ident) => ident.to_string(),
         }
     }
 }

src/parser/parser.rs

@@ -161,20 +161,13 @@ fn statement() -> impl Parser<Token, Statement, Error = Simple<Token>> {
             if stated.ident.is_none() && !matches!(stated.expr.inner, Expr::Call { .. }) {
                 emit(Simple::custom(
                     span,
-                    format!("Top-level expression not allowed"),
+                    "Top-level expression not allowed".to_string(),
                 ))
             }
             stated
         })
 }
 
-fn stack_parameters() -> impl Parser<Token, Vec<Spanned<String>>, Error = Simple<Token>> {
-    ident()
-        .map_with_span(Spanned::new)
-        .list()
-        .delimited_by(just(Token::OpenSquare), just(Token::CloseSquare))
-}
-
 fn function_definition() -> impl Parser<Token, Ast, Error = Simple<Token>> {
     // fn TRANSFER
     let macro_def = just(Token::Fn).ignore_then(ident());

src/parser/tokens.rs

@@ -29,9 +29,9 @@ pub enum Token {
     Assign,
 }
 
-impl Into<String> for Token {
-    fn into(self) -> String {
-        format!("{}", self)
+impl From<Token> for String {
+    fn from(val: Token) -> Self {
+        format!("{}", val)
     }
 }
 

src/scheduling/actions.rs

@@ -26,7 +26,6 @@ pub fn get_actions<'a>(
     let deepest_idx = total_stack_el.saturating_sub(17);
 
     (deepest_idx..total_stack_el)
-        .into_iter()
         .filter_map(move |i| {
             (deepest_idx..total_stack_el).find_map(|j| {
                 if i != j && machine.stack[i] == machine.stack[j] {
@@ -39,7 +38,6 @@ pub fn get_actions<'a>(
         .chain(unpoppable.clone().into_iter().map(Action::Unpop))
         .chain(
             (0..info.nodes.len())
-                .into_iter()
                 .filter_map(move |id| {
                     if machine.blocked_by[id] != Some(0) || unpoppable.contains(&id) {
                         return None;

src/scheduling/astar.rs

@@ -143,8 +143,8 @@ impl FastHasher {
         unsafe { *buf = 0 };
 
         value.hash(&mut self.0);
-        let hash = self.0.finish();
-        hash
+        
+        self.0.finish()
     }
 }
 
@@ -269,10 +269,10 @@ pub trait AStarScheduler: Sized + Sync + Send {
     fn estimate_explored_map_size(
         &mut self,
         _info: ScheduleInfo,
-        start_state: &BackwardsMachine,
-        max_stack_depth: usize,
+        _start_state: &BackwardsMachine,
+        _max_stack_depth: usize,
     ) -> usize {
-        let blocks = start_state.total_blocked() as usize;
+        // let blocks = start_state.total_blocked() as usize;
         // blocks * max_stack_depth * max_stack_depth * 3
         19_000_000
     }

src/scheduling/machine.rs

@@ -82,7 +82,7 @@ impl BackwardsMachine {
         info: ScheduleInfo,
         steps: &mut Vec<Step>,
     ) -> Result<(), String> {
-        if self.stack.len() == 0 {
+        if self.stack.is_empty() {
             debug_assert_eq!(
                 info.target_input_stack.len(),
                 0,

src/transformer/analysis.rs

@@ -390,7 +390,7 @@ pub fn validate_and_get_symbols(nodes: Vec<Spanned<Ast>>) -> Result<Symbols, Vec
                     ..
                 }) => {
                     assert!(
-                        op.stack_in == other_op.stack_in && op.stack_out == op.stack_out,
+                        op.stack_in == other_op.stack_in && op.stack_out == other_op.stack_out,
                         "Mismatching variant op in std_ops {:?} vs. {:?}",
                         op,
                         other_op