Clippy fix, removed some Debug traits

Signed-off-by: teo3300 <matteo.rogora@live.it>

src/core.rs

@@ -36,7 +36,7 @@ use crate::types::MalType::{Bool, Fun, Int, List, Nil, Str};
 use crate::types::{mal_assert, mal_assert_eq, mal_comp, MalArgs};
 
 pub fn ns_init() -> Env {
-    let env_t = env_init!(None,
+    env_init!(None,
         "test"          => Fun(|_| Ok(Str("This is a test function".to_string())), "Just a test function"),
         "exit"          => Fun(mal_exit, "Quits the program with specified status"),
         "+"             => Fun(|a| arithmetic_op(0, |a, b| a + b, a), "Returns the sum of the arguments"),
@@ -63,8 +63,7 @@ pub fn ns_init() -> Env {
         "="             => Fun(mal_comp, "Return true if the first two parameters are the same type and content, in case of lists propagate to all elements"),
         "assert"        => Fun(mal_assert, "Return an error if assertion fails"),
         "assert-eq"     => Fun(mal_assert_eq, "Return an error if arguments are not the same"),
-        "read-string"   => Fun(|a| read_str(&Reader::new().push(car(a)?.if_string()?)), "Tokenize and read the first argument"),
+        "read-string"   => Fun(|a| read_str(Reader::new().push(car(a)?.if_string()?)), "Tokenize and read the first argument"),
         "slurp"         => Fun(|a| Ok(Str(read_file(car(a)?.if_string()?)?)), "Read a file and return the content as a string")
-    );
-    env_t
+    )
 }

src/env.rs

@@ -3,7 +3,7 @@ use crate::types::{MalMap, MalRet, MalType};
 use std::cell::RefCell;
 use std::rc::Rc;
 
-#[derive(Clone, Debug)]
+#[derive(Clone)]
 pub struct EnvType {
     data: RefCell<MalMap>,
     pub outer: Option<Env>,

src/parse_tools.rs

@@ -11,10 +11,10 @@ use std::path::Path;
 use std::process::exit;
 
 pub fn load_core(env: &Env) {
-    eval_str("(def! not (fn* (x) (if x nil true)))", &env).unwrap();
+    eval_str("(def! not (fn* (x) (if x nil true)))", env).unwrap();
     eval_str(
         "(def! load-file (fn* (f) (eval (read-string (str \"(do \" (slurp f) \"\nnil)\")))))",
-        &env,
+        env,
     )
     .unwrap();
 }
@@ -32,9 +32,8 @@ pub fn load_conf(work_env: &Env) {
     let config = home + "/" + CONFIG;
 
     if Path::new(&config).exists() {
-        match load_file(&config, work_env) {
-            Err(e) => eprintln!("{}", e.message()),
-            _ => (),
+        if let Err(e) = load_file(&config, work_env) {
+            eprintln!("{}", e.message())
         }
     }
 }

src/types.rs

@@ -2,7 +2,7 @@ use crate::env::{car_cdr, Env};
 use std::{collections::HashMap, rc::Rc};
 
 // All Mal types should inherit from this
-#[derive(Clone, Debug)]
+#[derive(Clone)]
 pub enum MalType {
     List(MalArgs),
     Vector(MalArgs),