diff --git a/src/constants.rs b/src/constants.rs
index f0a4330..85a479b 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -1,14 +1,14 @@
 pub const TARGET_URL: &str =
     "https://github.com/Vomitblood/pokesprite/archive/refs/heads/master.zip";
 
-pub const DATA_DIRECTORY: once_cell::sync::Lazy<std::path::PathBuf> =
+pub static DATA_DIRECTORY: once_cell::sync::Lazy<std::path::PathBuf> =
     once_cell::sync::Lazy::new(|| {
         dirs::data_dir()
             .map(|dir| dir.join("rustmon"))
             .expect("Data directory not found")
     });
 
-pub const CACHE_DIRECTORY: once_cell::sync::Lazy<std::path::PathBuf> =
+pub static CACHE_DIRECTORY: once_cell::sync::Lazy<std::path::PathBuf> =
     once_cell::sync::Lazy::new(|| {
         dirs::cache_dir()
             .map(|dir| dir.join("rustmon"))
diff --git a/src/fetch.rs b/src/fetch.rs
index ae966ed..960fb12 100644
--- a/src/fetch.rs
+++ b/src/fetch.rs
@@ -96,7 +96,7 @@ fn create_working_directory() -> std::io::Result<()> {
     // create intermediate directories also
     std::fs::create_dir(&*crate::constants::CACHE_DIRECTORY)?;
     println!("Created working directory");
-    return Ok(());
+    Ok(())
 }
 
 fn create_output_directory(output_directory_path: &std::path::Path) -> std::io::Result<()> {
@@ -106,7 +106,7 @@ fn create_output_directory(output_directory_path: &std::path::Path) -> std::io::
     );
     std::fs::create_dir_all(output_directory_path)?;
     println!("Created output directory");
-    return Ok(());
+    Ok(())
 }
 
 fn fetch_pokemon_json() -> Result<(), Box<dyn std::error::Error>> {
@@ -193,7 +193,7 @@ fn read_pokemon_file(
     // deserialize the into pokemoncollection
     let collection = serde_json::from_reader(reader)?;
 
-    return Ok(collection);
+    Ok(collection)
 }
 
 fn transform_pokemon_data(
@@ -240,7 +240,7 @@ fn transform_pokemon_data(
             .cmp(&b.pokedex.parse::<u32>().unwrap_or(0))
     });
 
-    return processed_pokemons;
+    processed_pokemons
 }
 
 fn fetch_colorscripts_archive(target_url: &str) -> Result<(), Box<dyn std::error::Error>> {
@@ -333,10 +333,10 @@ fn extract_colorscripts_archive() -> zip::result::ZipResult<()> {
             if !file.name().ends_with('/') {
                 if let Some(p) = outpath.parent() {
                     if !p.exists() {
-                        std::fs::create_dir_all(&p)?;
+                        std::fs::create_dir_all(p)?;
                     }
                 }
-                let mut outfile = std::fs::File::create(&outpath)?;
+                let mut outfile = std::fs::File::create(outpath)?;
                 std::io::copy(&mut file, &mut outfile)?;
             };
         };
@@ -344,7 +344,7 @@ fn extract_colorscripts_archive() -> zip::result::ZipResult<()> {
 
     println!("Extracted colorscripts archive");
 
-    return Ok(());
+    Ok(())
 }
 
 fn crop_all_images_in_directory() -> std::io::Result<()> {
@@ -368,9 +368,9 @@ fn crop_all_images_in_directory() -> std::io::Result<()> {
             .join("cropped_images")
             .join(subdirectory);
 
-        std::fs::create_dir_all(&output_subdirectory_path)?;
+        std::fs::create_dir_all(output_subdirectory_path)?;
 
-        for entry in std::fs::read_dir(&input_subdirectory_path)? {
+        for entry in std::fs::read_dir(input_subdirectory_path)? {
             let entry = entry?;
             let path = entry.path();
 
@@ -381,7 +381,7 @@ fn crop_all_images_in_directory() -> std::io::Result<()> {
 
     println!("Cropped images");
 
-    return Ok(());
+    Ok(())
 }
 
 fn crop_to_content(
@@ -436,7 +436,7 @@ fn crop_to_content(
     // write the cropped image
     cropped_img.save(output_path)?;
 
-    return Ok(cropped_img);
+    Ok(cropped_img)
 }
 
 fn convert_images_to_ascii(
@@ -458,7 +458,7 @@ fn convert_images_to_ascii(
 
             std::fs::create_dir_all(&output_subdirectory_path)?;
 
-            for entry in std::fs::read_dir(&input_subdirectory_path)? {
+            for entry in std::fs::read_dir(input_subdirectory_path)? {
                 let entry = entry?;
                 let path = entry.path();
 
@@ -471,7 +471,7 @@ fn convert_images_to_ascii(
                     };
 
                     // print for fun
-                    if verbose == true {
+                    if verbose {
                         println!("{}", ascii_art);
                     };
 
@@ -485,7 +485,7 @@ fn convert_images_to_ascii(
 
     println!("Converted images to ASCII");
 
-    return Ok(());
+    Ok(())
 }
 
 fn convert_image_to_unicode_small(img: &image::DynamicImage) -> String {
@@ -520,7 +520,7 @@ fn convert_image_to_unicode_small(img: &image::DynamicImage) -> String {
         unicode_sprite.push('\n'); // New line for each row, plus reset might be added here too if colors extend beyond.
     }
 
-    return unicode_sprite;
+    unicode_sprite
 }
 
 fn convert_image_to_unicode_big(img: &image::DynamicImage) -> String {
@@ -541,7 +541,7 @@ fn convert_image_to_unicode_big(img: &image::DynamicImage) -> String {
         unicode_sprite.push('\n');
     }
 
-    return unicode_sprite;
+    unicode_sprite
 }
 
 fn get_color_escape_code(pixel: image::Rgba<u8>, background: bool) -> String {
@@ -569,5 +569,5 @@ fn cleanup() -> std::io::Result<()> {
 
     println!("Cleaned up");
 
-    return Ok(());
+    Ok(())
 }
diff --git a/src/list.rs b/src/list.rs
index 48aff51..ba20bb1 100644
--- a/src/list.rs
+++ b/src/list.rs
@@ -14,7 +14,7 @@ pub fn print_pokemon_list() -> Result<(), serde_json::Error> {
 
     println!("\nHint: Having trouble finding a Pokemon? Pass in --help to see tips!");
 
-    return Ok(());
+    Ok(())
 }
 
 pub fn print_pokemon_forms(pokemon_name: &str) -> std::io::Result<()> {
@@ -47,5 +47,5 @@ pub fn print_pokemon_forms(pokemon_name: &str) -> std::io::Result<()> {
         println!("\nHint: Pass in `--form` when using subcommand `print` to see the specific form of a Pokemon!");
     }
 
-    return Ok(());
+    Ok(())
 }
diff --git a/src/main.rs b/src/main.rs
index 48540d5..63221da 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -95,7 +95,7 @@ fn argument_parser() -> clap::ArgMatches {
                         .help("eXtract the colorscripts archive to a custom location")
                         .short('x')
                         .long("extract-destination")
-                        .default_value(&*rustmon::constants::DATA_DIRECTORY.to_str().unwrap()),
+                        .default_value(rustmon::constants::DATA_DIRECTORY.to_str().unwrap()),
                 )
                 // fetch/verbose
                 .arg(
diff --git a/src/print.rs b/src/print.rs
index faae857..313b466 100644
--- a/src/print.rs
+++ b/src/print.rs
@@ -14,10 +14,10 @@ pub fn print(
     spacing: u8,
 ) {
     // decide which function to call
-    if big == false
+    if !big
         // uber fast random
         && forms.len() == 1
-        && hide_name == false
+        && !hide_name
         && (names.len() == 1 && pokedexes.len() == 1)
         && shiny_rate == 0.0
         && forms[0] == "regular"
@@ -67,7 +67,7 @@ fn random_lite() -> std::io::Result<()> {
     let path = crate::constants::DATA_DIRECTORY.join("colorscripts/small/regular/");
     let mut files: Vec<std::path::PathBuf> = Vec::new();
 
-    for entry in std::fs::read_dir(&path)? {
+    for entry in std::fs::read_dir(path)? {
         let dir_entry = entry?;
         files.push(dir_entry.path());
     }
@@ -117,13 +117,13 @@ fn get_pokemon_data(pokedex_number: u16) -> crate::structs::Pokemon {
         pokemons.get(pokedex_number as usize - 1).unwrap().clone();
 
     // return the data
-    return pokemon_data;
+    pokemon_data
 }
 
 fn find_pokedex_by_pokemon(pokemon_name: &str) -> Result<String, Box<dyn std::error::Error>> {
     // handle random
     if pokemon_name == "random" {
-        return Ok("0".to_string());
+        Ok("0".to_string())
     } else {
         // read the file
         let mut file = std::fs::File::open(crate::constants::DATA_DIRECTORY.join("pokemon.json"))?;
@@ -142,7 +142,7 @@ fn find_pokedex_by_pokemon(pokemon_name: &str) -> Result<String, Box<dyn std::er
         }
 
         // if not found the return an error
-        return Err(format!("Pokemon {} not found", pokemon_name).into());
+        Err(format!("Pokemon {} not found", pokemon_name).into())
     }
 }
 
@@ -151,7 +151,7 @@ fn is_shiny(shiny_rate: f32) -> bool {
     let random_number = rand::random::<f32>();
 
     // if the random number is less than the shiny rate then return true
-    return random_number < shiny_rate;
+    random_number < shiny_rate
 }
 
 fn process_pokedexes_list(pokedexes: Vec<u16>) -> Vec<u16> {
@@ -164,10 +164,10 @@ fn process_pokedexes_list(pokedexes: Vec<u16>) -> Vec<u16> {
         }
     }
 
-    return pokedexes_processed;
+    pokedexes_processed
 }
 
-fn process_forms_list(pokedexes: &Vec<u16>, forms: Vec<&String>) -> Vec<String> {
+fn process_forms_list(pokedexes: &[u16], forms: Vec<&String>) -> Vec<String> {
     let mut forms_processed: Vec<String> = forms.iter().map(|s| s.to_string()).collect();
 
     // ensure forms_processed has the same length as pokedexes
@@ -188,7 +188,7 @@ fn process_forms_list(pokedexes: &Vec<u16>, forms: Vec<&String>) -> Vec<String>
         }
     }
 
-    return forms_processed;
+    forms_processed
 }
 
 fn slug_generator(big: bool, form: String, name: String, shiny_rate: f32) -> std::path::PathBuf {
@@ -221,17 +221,17 @@ fn slug_generator(big: bool, form: String, name: String, shiny_rate: f32) -> std
     // construct the path using PathBuf
     let mut path = std::path::PathBuf::new();
     path.push(crate::constants::DATA_DIRECTORY.join("colorscripts"));
-    path.push(format!("{}", big));
+    path.push(&big);
     path.push(shiny_directory);
     path.push(format!("{}{}", name, form));
 
-    return path;
+    path
 }
 
 fn generate_slug_list(
     big: bool,
     forms: Vec<String>,
-    pokedexes: &Vec<u16>,
+    pokedexes: &[u16],
     shiny_rate: f32,
 ) -> Vec<std::path::PathBuf> {
     let mut slugs: Vec<std::path::PathBuf> = Vec::new();
@@ -245,10 +245,10 @@ fn generate_slug_list(
         slugs.push(slug);
     }
 
-    return slugs;
+    slugs
 }
 
-fn print_name(paths: &Vec<std::path::PathBuf>) {
+fn print_name(paths: &[std::path::PathBuf]) {
     let last_parts: Vec<&str> = paths
         .iter()
         .filter_map(|path| path.file_name())
@@ -259,13 +259,13 @@ fn print_name(paths: &Vec<std::path::PathBuf>) {
     println!("{}", output);
 }
 
-fn print_colorscripts(paths: &Vec<std::path::PathBuf>, spacing: u8) -> std::io::Result<()> {
+fn print_colorscripts(paths: &[std::path::PathBuf], spacing: u8) -> std::io::Result<()> {
     // open all files and create BufReaders
     let mut readers: Vec<_> = paths
         .iter()
-        .map(|path| std::fs::File::open(path))
+        .map(std::fs::File::open)
         .filter_map(|result| result.ok())
-        .map(|file| std::io::BufReader::new(file))
+        .map(std::io::BufReader::new)
         .collect();
 
     // create a string for spacing
diff --git a/src/validation.rs b/src/validation.rs
index 92cde4d..fe78055 100644
--- a/src/validation.rs
+++ b/src/validation.rs
@@ -36,13 +36,8 @@ fn validate_pokemon_json() -> Result<(), Box<dyn std::error::Error>> {
         serde_json::from_reader(reader);
 
     match pokemon_data {
-        Ok(_) => return Ok(()),
-        Err(_) => {
-            return Err(format!(
-                "JSON structure is not correct. Please run the `fetch` subcommand."
-            )
-            .into())
-        }
+        Ok(_) => Ok(()),
+        Err(_) => Err("JSON structure is not correct. Please run the `fetch` subcommand.".into()),
     }
 }
 
@@ -54,11 +49,9 @@ fn validate_colorscripts_directory() -> Result<(), String> {
     for subdirectory in subdirectories.iter() {
         let path = base_path.join(subdirectory);
         if !path.exists() {
-            return Err(format!(
-                "Directory does not exist. Please run the `fetch` subcommand."
-            ));
+            return Err("Directory does not exist. Please run the `fetch` subcommand.".into());
         }
     }
 
-    return Ok(());
+    Ok(())
 }