11.3 Engine predicate reference
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  • Documentation
    • Reference manual
      • Coroutining using Prolog engines
        • Engine predicate reference
          • engine_create/3
          • engine_create/4
          • engine_destroy/1
          • engine_next/2
          • engine_next_reified/2
          • engine_post/2
          • engine_post/3
          • engine_yield/1
          • engine_fetch/1
          • engine_self/1
          • is_engine/1
          • current_engine/1
    • Packages
Availability:built-in
[det]engine_fetch(-Term)
Called from within the engine to fetch the term made available through engine_post/2 or engine_post/3. If no term is available an existence_error exception is raised.