clap is weird

src/main.rs

@@ -1,20 +1,11 @@
+mod args;
+
 use std::env;
+use clap::Parser;
+use args::CommandArgs;
 
 
 fn main()
 {
-    let mut args : Vec<String> = env::args().collect();
-    let pid  : i32         = args[1].parse().unwrap();
-
-    // remove arguments which don't require parsing
-    args.remove(0); // remove command name
-    args.remove(0); // remove pid
-
-    for arg in args
-    {
-        if !(arg.clone().chars().nth(0).unwrap() == '-')
-        {
-            println!("{}", arg)
-        }
-    }    
+    let args = CommandArgs::parse();
 }