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Predicate gensym/2
 gensym(+Base, -Unique)
Generate <Base>1, <Base>2, etc atoms on each subsequent call. Note that there is nothing that prevents other parts of the application to `invent' the same identifier. The predicate gensym/2 is thread-safe in the sense that two threads generating identifiers from the same Base will never generate the same identifier.
See also
- uuid/1, term_hash/2, variant_sha1/2 may be used to generate various unique or content-based identifiers safely.
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