feat: over simplify the code

src/main.rs

@@ -1,49 +1,26 @@
-use rand::seq::SliceRandom;
-use rand::Rng;
 use std::env;
-use std::io::{BufRead, BufReader};
+
+fn get_argument() -> usize {
+    env::args()
+        .nth(1)
+        .and_then(|arg| arg.parse::<usize>().ok())
+        .unwrap_or_else(|| 10)
+}
 
 fn main() {
-    let num_pseudonyms: usize = {
-        let args: Vec<String> = env::args().collect();
-        if args.len() > 1 {
-            match args[1].parse::<usize>() {
-                Ok(num) => num,
-                Err(_) => {
-                    eprintln!("Le nombre de pseudonymes doit être un entier positif.");
-                    std::process::exit(1);
-                }
-            }
-        } else {
-            100
-        }
-    };
+    let num_pseudonyms = get_argument();
+    let adjectives: Vec<&str> = include_str!("../data/adjectives.txt").lines().collect();
+    let nouns: Vec<&str> = include_str!("../data/nouns.txt").lines().collect();
 
-    let adjectives: Vec<String> = {
-        BufReader::new(include_str!("../data/adjectives.txt").as_bytes())
-            .lines()
-            .filter_map(Result::ok)
-            .collect()
-    };
-
-    let nouns: Vec<String> = {
-        BufReader::new(include_str!("../data/nouns.txt").as_bytes())
-            .lines()
-            .filter_map(Result::ok)
-            .collect()
-    };
-
-    let mut rng = rand::thread_rng();
-    for _ in 0..num_pseudonyms {
-        let Some(adjective) = adjectives.choose(&mut rng) else {
-            eprintln!("Impossible de choisir un adjectif.");
-            std::process::exit(1);
-        };
-        let Some(noun) = nouns.choose(&mut rng) else {
-            eprintln!("Impossible de choisir un nom.");
-            std::process::exit(1);
-        };
-        let number: u32 = rng.gen_range(1..=999);
-        println!("{}", format!("{}-{}-{}", adjective, noun, number));
-    }
+    (0..num_pseudonyms).for_each(|_| {
+        println!(
+            "{}",
+            format!(
+                "{}-{}-{}",
+                &adjectives[fastrand::usize(0..adjectives.len())],
+                &nouns[fastrand::usize(0..nouns.len())],
+                fastrand::u32(0..1000)
+            )
+        )
+    });
 }