= Embassy Traits

Embassy provides a set of traits and types specifically designed for `async` usage.

* `embassy::io`: `AsyncBufRead`, `AsyncWrite`. Traits for byte-stream IO, essentially `no_std` compatible versions of `futures::io`.
* `embassy::traits::flash`: Flash device trait.
* `embassy::time`: `Clock` and `Alarm` traits. Std-like `Duration` and `Instant`.
* More traits for SPI, I2C, UART async HAL coming soon.
