Demonstrates a minimal hello world
git clone https://github.com/ratatui-org/ratatui.git --branch latestcd ratatuicargo run --example=minimal --features=crossterm
//! # [Ratatui] Minimal example//!//! The latest version of this example is available in the [examples] folder in the repository.//!//! Please note that the examples are designed to be run against the `main` branch of the Github//! repository. This means that you may not be able to compile with the latest release version on//! crates.io, or the one that you have installed locally.//!//! See the [examples readme] for more information on finding examples that match the version of the//! library you are using.//!//! [Ratatui]: https://github.com/ratatui-org/ratatui//! [examples]: https://github.com/ratatui-org/ratatui/blob/main/examples//! [examples readme]: https://github.com/ratatui-org/ratatui/blob/main/examples/README.md use crossterm::{ event::{self, Event, KeyCode, KeyEventKind}, execute, terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},};use ratatui::{backend::CrosstermBackend, text::Text, Terminal}; /// This is a bare minimum example. There are many approaches to running an application loop, so/// this is not meant to be prescriptive. See the [examples] folder for more complete examples./// In particular, the [hello-world] example is a good starting point.////// [examples]: https://github.com/ratatui-org/ratatui/blob/main/examples/// [hello-world]: https://github.com/ratatui-org/ratatui/blob/main/examples/hello_world.rsfn main() -> Result<(), Box<dyn std::error::Error>> { let mut terminal = Terminal::new(CrosstermBackend::new(std::io::stdout()))?; enable_raw_mode()?; execute!(terminal.backend_mut(), EnterAlternateScreen)?; loop { terminal.draw(|frame| frame.render_widget(Text::raw("Hello World!"), frame.size()))?; if let Event::Key(key) = event::read()? { if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') { break; } } } disable_raw_mode()?; execute!(terminal.backend_mut(), LeaveAlternateScreen)?; Ok(())}