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//! Delays
//!
//! # What's the difference between these traits and the `timer::CountDown` trait?
//!
//! The `Timer` trait provides a *non-blocking* timer abstraction and it's meant to be used to build
//! higher level abstractions like I/O operations with timeouts. OTOH, these delays traits only
//! provide *blocking* functionality. Note that you can also use the `timer::CountDown` trait to
//! implement blocking delays.
/// Blocking delay traits