Raw Terminal

// Raw terminal — reading keypresses without line buffering
// Terminal raw — leer teclas sin buffer de línea

fn main() -> int {
    // Check if we have a terminal.
    // `not` aplicado directo a la llamada de un builtin genera IR invalido
    // (xor i1 sobre un i64): se liga primero a un bool con tipo declarado.
    let tty: bool = isatty(0)
    if not tty {
        print("not a terminal — skipping raw mode demo")
        print("run interactively to see keypress reading")
        return 0
    }

    print("terminal size: " + int_to_string(term_cols()) + "x" + int_to_string(term_rows()))
    print("press any key (or 'q' to quit):")

    // Enter raw mode — disables echo and line buffering
    raw_mode_enter()

    var running: bool = true
    while running {
        let byte: int = read_byte()
        if byte == 113 {
            // 'q' pressed
            running = false
        } else {
            // In raw mode, we need to manually handle output
            print("key: " + int_to_string(byte))
        }
    }

    // Always restore terminal state
    raw_mode_exit()
    print("raw mode exited")
    return 0
}

not a terminal — skipping raw mode demo
run interactively to see keypress reading