feat: make it even simpler

src/main.rs

@@ -1,26 +1,20 @@
 use std::env;
 
-fn get_argument() -> usize {
-    env::args()
-        .nth(1)
-        .and_then(|arg| arg.parse::<usize>().ok())
-        .unwrap_or_else(|| 10)
-}
-
 fn main() {
-    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 num_pseudonyms = env::args()
+        .nth(1)
+        .and_then(|arg| arg.parse().ok())
+        .unwrap_or(10);
+
+    let adjectives = include_str!("../data/adjectives.txt").lines().collect::<Vec<_>>();
+    let nouns = include_str!("../data/nouns.txt").lines().collect::<Vec<_>>();
 
     (0..num_pseudonyms).for_each(|_| {
         println!(
-            "{}",
-            format!(
             "{}-{}-{}",
-                &adjectives[fastrand::usize(0..adjectives.len())],
-                &nouns[fastrand::usize(0..nouns.len())],
+            adjectives[fastrand::usize(0..adjectives.len())],
+            nouns[fastrand::usize(0..nouns.len())],
             fastrand::u32(0..1000)
-            )
-        )
+        );
     });
 }