[rust] Minor refactoring according to linter warning

Author: bonigarcia

rust/src/files.rs

@@ -19,7 +19,7 @@ use std::error::Error;
 use std::fs;
 use std::fs::File;
 use std::io;
-use std::path::MAIN_SEPARATOR;
+
 use std::path::{Path, PathBuf};
 
 use crate::config::OS;
@@ -131,7 +131,7 @@ pub fn unzip(file: File, target: &Path, log: &Logger) -> Result<(), Box<dyn Erro
             ));
             create_parent_path_if_not_exists(target);
             if !target.exists() {
-                let mut outfile = File::create(&target)?;
+                let mut outfile = File::create(target)?;
 
                 // Set permissions in Unix-like systems
                 #[cfg(unix)]
@@ -152,7 +152,7 @@ pub fn unzip(file: File, target: &Path, log: &Logger) -> Result<(), Box<dyn Erro
 pub fn compose_cache_folder() -> PathBuf {
     if let Some(base_dirs) = BaseDirs::new() {
         return Path::new(base_dirs.home_dir())
-            .join(String::from(CACHE_FOLDER).replace('/', &MAIN_SEPARATOR.to_string()));
+            .join(String::from(CACHE_FOLDER).replace('/', std::path::MAIN_SEPARATOR_STR));
     }
     PathBuf::new()
 }

rust/src/logger.rs

@@ -29,43 +29,42 @@ use std::io::Write;
 use std::ops::Deref;
 use Color::{Blue, Cyan, Green, Red, Yellow};
 
+#[derive(Default)]
 enum OutputType {
+    #[default]
     Logger,
     Json,
     Shell,
 }
 
+#[derive(Default)]
 pub struct Logger {
     debug: bool,
     trace: bool,
     output: OutputType,
     json: RefCell<JsonOutput>,
 }
 
-#[derive(Serialize, Deserialize)]
+#[derive(Default, Serialize, Deserialize)]
 pub struct Logs {
     pub level: String,
     pub timestamp: u64,
     pub message: String,
 }
 
-#[derive(Serialize, Deserialize)]
+#[derive(Default, Serialize, Deserialize)]
 pub struct Result {
     pub code: i32,
     pub message: String,
 }
 
-#[derive(Serialize, Deserialize)]
+#[derive(Default, Serialize, Deserialize)]
 pub struct JsonOutput {
     pub logs: Vec<Logs>,
     pub result: Result,
 }
 
 impl Logger {
-    pub fn default() -> Self {
-        Logger::create("", false, false)
-    }
-
     pub fn create(output: &str, debug: bool, trace: bool) -> Self {
         let output_type;
         if output.eq_ignore_ascii_case("json") {