Somewhat structure main.rs

src/main.rs

@@ -1,5 +1,5 @@
 use gntag::agent::{Agent, SimpleAgent};
-use gntag::view::TerminalView;
+use gntag::view::{Backend, TerminalView};
 use gntag::world::ActualWorld;
 use std::io;
 use std::io::Read;
@@ -9,6 +9,8 @@ use std::thread;
 
 fn main() {
   let view = Arc::new(Mutex::new(Some(TerminalView::try_new().unwrap())));
+
+  // Exit on q, ESC and Ctrl-C and reset terminal
   let view2 = view.clone();
   thread::spawn(move || {
     let stdin = io::stdin();
@@ -22,7 +24,13 @@ fn main() {
       }
     }
   });
+
   loop {
+    run_simulation(&view);
+  }
+}
+
+fn run_simulation(view: &Arc<Mutex<Option<TerminalView<impl Backend>>>>) {
   let (width, height) = (*view.lock().unwrap())
     .as_mut()
     .unwrap()
@@ -59,11 +67,9 @@ fn main() {
       )
       .unwrap();
     if resized {
-        break;
+      return;
     };
     world.do_step();
     gen += 1;
-      //std::thread::sleep(std::time::Duration::from_millis(500));
-    }
   }
 }

src/view.rs

@@ -3,7 +3,8 @@ use std::error::Error;
 use std::io::{stdout, Stdout, Write};
 use termion::clear;
 use termion::raw::{IntoRawMode, RawTerminal};
-use tui::backend::{Backend, TermionBackend};
+pub use tui::backend::Backend;
+use tui::backend::TermionBackend;
 use tui::layout::{Alignment, Constraint, Direction, Layout, Rect};
 use tui::style::{Color, Modifier, Style};
 use tui::text::{Span, Spans};