fn request_close_all_windows(&mut self) {
        for win in self.windows.iter_mut() {
            win.handle.close();
        }
    }
/// Requests the platform to close all windows.
Requests the platform to close all windows.
Requests the platform to close all windows .
fn request_close_all_windows(&mut self) {
        for win in self.windows.iter_mut() {
            win.handle.close();
        }
    }
fn request_close_all_windows ( & mut self ) { for win in self . windows . iter_mut ( ) { win . handle . close ( ) ; } }
Requests the platform to close all windows.
Requests the platform to close all windows .
&mut self
&mut self