# `tek_tui`

the `Tui` struct (the *engine*) implements the
`tek_input::Input` and `tek_output::Output` traits.

at launch, the `Tui` engine spawns two threads,
a **render thread** and an **input thread**. (the
application may spawn further threads, such as a
**jack thread**.)

all threads communicate using shared ownership,
`Arc<RwLock>` and `Arc<Atomic>`. the engine and
application instances are expected to be wrapped
in `Arc<RwLock>`; internally, those synchronization
mechanisms may be used liberally.