Struct App 

pub struct App<'c> { /* private fields */ }

The console, held by this program until App::close.

Implementations

impl<'c> App<'c>

pub fn open(ctx: &'c ServiceContext) -> App<'c>

Take the console: its keys are this program’s from now on, they are not echoed, and the screen is cleared.

pub fn print(&self, s: &str)

Print s where the cursor is.

pub fn println(&self, s: &str)

Print s and a newline.

pub fn print_fmt(&self, args: Arguments<'_>)

Print formatted text.

pub fn clear(&self)

Clear the screen and put the cursor at the top left.

pub fn key(&self) -> Option<u8>

A key, if one was typed: does not wait.

pub fn wait_key(&self) -> u8

The next key typed: waits for it.

pub fn close(self, status: u32) -> !

Give the console back to the shell and end this program with status.