Well, that seems to be concurrency without parallelism. Smalltalk has concurrency, too, at least according to this: https://books.pharo.org/booklet-ConcurrentPr

Well, that seems to be concurrency without parallelism. Smalltalk has concurrency, too, at least according to this: https://books.pharo.org/booklet-ConcurrentProgramming/ https://books.pharo.org/booklet-ConcurrentProgramming/ and this: https://tonyg.github.io/squeak-actors/ https://tonyg.github.io/squeak-actors/