SWI-Prolog -- in/1

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Predicate in/1

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Availability::- use_module(library(tipc/tipc_linda)).

Source

[det]in(?Tuple)

Atomically removes the tuple Tuple from Linda's tuple-space if it is there. The tuple will be returned to exactly one requestor. If no tuple is available, the predicate blocks until it is available (that is, someone performs an out/1).