Take an Iterator of TextArea in prepare

src/lib.rs

@@ -96,6 +96,7 @@ impl Default for TextBounds {
 }
 
 /// A text area containing text to be rendered along with its overflow behavior.
+#[derive(Clone, Copy)]
 pub struct TextArea<'a> {
     /// The buffer containing the text to be rendered.
     pub buffer: &'a Buffer,