i remembered how to rust multifile WOO

src/flags.rs

@@ -0,0 +1,19 @@
+use clap::Parser;
+
+#[derive(Parser, Debug, Clone)]
+pub struct Flags {
+    #[arg(short, long, default_value_t = false)] 
+    pub debug: bool,
+
+    #[arg(long, default_value_t = 4)] 
+    pub smallest_note: usize,
+
+    #[arg(long, default_value_t = 44100)] 
+    pub sample_rate: usize,
+}
+
+impl Flags {
+    pub fn new() -> Flags {
+        Flags::parse()
+    }
+}

src/main.rs

@@ -6,8 +6,10 @@ use std::fs::File;
 use std::sync::Arc;
 use tinyaudio::prelude::*;
 
+mod flags;
+
 fn main() {
-    let flags = Flags::parse();
+    let flags = flags::Flags::new();
 
     // Load the SoundFont.
     let mut sf2 = File::open("super_small_font.sf2").unwrap();
@@ -52,20 +54,6 @@ fn main() {
     std::thread::sleep(std::time::Duration::from_secs(2));
 }
 
-use clap::Parser;
-#[derive(Parser, Debug, Clone)]
-struct Flags {
-    #[arg(short, long, default_value_t = false)] 
-    debug: bool,
-
-    #[arg(long, default_value_t = 4)] 
-    smallest_note: usize,
-
-    #[arg(long, default_value_t = 44100)] 
-    sample_rate: usize,
-}
-
-
 enum Syn {
     Real(Synthesizer),
     Text(std::collections::HashMap<i32, std::collections::HashMap<i32, i32>>),