Add a convenience message to wait on a duration. It is shorter than using Delay class >> #forDuration:.
=============== Diff against Chronology-Core-ul.10 ===============
Item was added:
+ ----- Method: Duration>>wait (in category 'squeak protocol') -----
+ "Convert this duration in a delay and wait once. Return the created delay so that the client can wait on it again if needed.
+ Do-it: 3 minutes wait"
+ | delay |
+ delay := self asDelay.
+ delay wait.
+ ^ delay!