Module barrier

A Barrier that provides wait_timeout.

This implementation mirrors that of the Rust standard library.

Structs

• Barrier 🔒
  A barrier enables multiple threads to synchronize the beginning of some computation.
• BarrierState 🔒
• BarrierWaitResult 🔒
  A BarrierWaitResult is returned by Barrier::wait() when all threads in the Barrier have rendezvoused.