use byteorder crate to simplify code, make clippy happy

src/bin/dump.rs

@@ -1,20 +1,14 @@
-use std::io::Seek;
+use rply_codec::{Frame, decode};
 
-use rply_codec::*;
-
-pub fn main() {
+fn main() {
     let args: Vec<_> = std::env::args().collect();
     let file =
         std::fs::File::open(args.get(1).unwrap_or(&"examples/bobl.replay".to_string())).unwrap();
     let mut file = std::io::BufReader::new(file);
-    let header = read_header(&mut file).unwrap();
-    println!("{:?}", header);
-    let initial_size = match &header {
-        Header::V0V1(header_base) => header_base.initial_state_size,
-        Header::V2(header_v2) => header_v2.base.initial_state_size,
-    };
-    file.seek_relative(initial_size as i64).unwrap();
+    let mut rply = decode(&mut file).unwrap();
+    let header = &rply.header;
+    println!("{header:?}");
     let mut frame = Frame::default();
-    read_frame(&mut file, &header, &mut frame).unwrap();
-    println!("{:?}", frame);
+    rply.read_frame(&mut frame).unwrap();
+    println!("{frame:?}");
 }