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#![no_std]
#![deny(unsafe_code)]

extern crate embedded_hal as hal;
extern crate heapless;
extern crate nb;
extern crate uluru;

use core::{fmt, str::Utf8Error};
use hal::serial::{Read, Write};

pub mod autocomplete;
pub mod control;
pub mod history;

mod shell;

pub use shell::*;

pub enum ShellError<S>
where
    S: Read<u8> + Write<u8>,
{
    ReadError(<S as Read<u8>>::Error),
    WriteError(<S as Write<u8>>::Error),
    FormatError(fmt::Error),
    BadInputError(Utf8Error),
    WouldBlock,
    HistoryError,
}

pub enum Input<'a> {
    Control(u8),
    Command((&'a str, &'a str)),
}