misc: applied some clippy lints

assembler/src/lib.rs

@@ -3,7 +3,7 @@ use std::{
     collections::HashSet,
     fs,
     hash::{DefaultHasher, Hash, Hasher},
-    path::PathBuf,
+    path::{Path, PathBuf},
 };
 
 use common::prelude::Instruction;
@@ -17,27 +17,27 @@ pub mod lexer;
 pub mod model;
 pub mod parser;
 
-pub fn assemble(src: &PathBuf) -> Vec<Instruction> {
+pub fn assemble(src: &Path) -> Vec<Instruction> {
     let mut modules = HashSet::<u64>::new();
     let mut program = Program::new();
 
     let hash = quick_hash(src);
     modules.insert(hash);
 
-    match prepare_dependency(src.clone(), &mut modules, &mut program) {
+    match prepare_dependency(src, &mut modules, &mut program) {
         Ok(_) => {}
-        Err(err) => println!("BIG ERROR {:?}", err),
+        Err(err) => println!("BIG ERROR {err:?}"),
     }
 
     for node in program.nodes {
-        println!("{:?}", node);
+        println!("{node:?}");
     }
 
     vec![]
 }
 
 fn prepare_dependency(
-    path: PathBuf,
+    path: &Path,
     modules: &mut HashSet<u64>,
     program: &mut Program,
 ) -> Result<(), AssembleError> {
@@ -51,9 +51,9 @@ fn prepare_dependency(
         ));
     }
 
-    let src = fs::read_to_string(&path)
-        .map_err(|_| AssembleError::InvalidFile(path.clone()))?;
-    let file_hash = quick_hash(&path);
+    let src = fs::read_to_string(path)
+        .map_err(|_| AssembleError::InvalidFile(path.to_path_buf()))?;
+    let file_hash = quick_hash(path);
 
     log(&format!("{:20} {:20}", "Tokenising", filename));
     let tokens = lexer::lexer(src, file_hash)?;
@@ -77,14 +77,14 @@ fn prepare_dependency(
 
         if !modules.contains(&quick_hash(&dep)) {
             modules.insert(quick_hash(&dep));
-            prepare_dependency(dep, modules, program)?
+            prepare_dependency(dep.as_path(), modules, program)?
         }
     }
 
     Ok(())
 }
 
-fn build(src: Vec<Node>) -> Result<Vec<Instruction>, AssembleError> {
+fn _build(_src: Vec<Node>) -> Result<Vec<Instruction>, AssembleError> {
     Ok(vec![])
 }
 
@@ -116,12 +116,13 @@ impl fmt::Display for AssembleError {
     }
 }
 
-fn quick_hash(value: &PathBuf) -> u64 {
+fn quick_hash(value: &Path) -> u64 {
     let mut hasher = DefaultHasher::new();
     value.canonicalize().unwrap().to_str().hash(&mut hasher);
     hasher.finish()
 }
 
+// TODO: Use an actual logging or tracing library for pretty (scoped) output.
 fn log(message: &str) {
-    println!("\x1b[32mINFO:\x1b[0m {}", message);
+    println!("\x1b[32mINFO:\x1b[0m {message}");
 }