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Logtalk - Open source object-oriented logic programming language
Release 2.30.2

Copyright (c) 1998-2007 Paulo Moura.  All Rights Reserved.
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% start by loading the example and the required library files:

| ?- logtalk_load(buffer(loader)).
...


% start the producer and the consumer, each one running in its own thread:

| ?- threaded_ignore(producer::run(10)), threaded_ignore(consumer::run(10)).

producer wrote item 0
consumer read item 0
producer wrote item 1
consumer read item 1
producer wrote item 2
consumer read item 2
producer wrote item 3
consumer read item 3
producer wrote item 4
consumer read item 4
producer wrote item 5
consumer read item 5
producer wrote item 6
consumer read item 6
producer wrote item 7
consumer read item 7
producer wrote item 8
consumer read item 8
producer wrote item 9
consumer read item 9