Smarter buffer drawing

Better handling for some/none

src/main.rs

@@ -14,6 +14,11 @@ struct Nuudel {
 	buffer: String,
 }
 
+#[derive(Default)]
+struct Buffer {
+	lines: Vec<String>,
+}
+
 fn main() -> Result<()> {
 	// Setup panic handling
 	let default_panic = panic::take_hook();
@@ -113,12 +118,11 @@ impl Nuudel {
 		let mut lines = self.buffer.lines();
 		while y < terminal::size()?.1-1 {
 			stdout.execute(terminal::Clear(terminal::ClearType::CurrentLine))?;
-			let line = lines.next();
-			if line.is_none() {
+			if let Some(line) = lines.next() {
+				write!(stdout, "{}", line)?;
+			} else {
 				break;
-			}
-			write!(stdout, "{}", line.unwrap())?;
-			stdout.execute(cursor::MoveToNextLine(1))?;
+			}	stdout.execute(cursor::MoveToNextLine(1))?;
 			y += 1;
 		}
 		print!("Press Q to quit");