2.1 library(pengines): Pengines: Web Logic Programming Made Easy
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Availability::- use_module(library(pengines)).
Source[semidet,multifile]prepare_module(+Module, +Application, +Options)
Hook, called to initialize the temporary private module that provides the working context of a pengine. This hook is executed by the pengine's thread. Preparing the source consists of three steps:

  1. Add Application as (first) default import module for Module
  2. Call this hook
  3. Compile the source provided by the the src_text and src_url options
Module is a new temporary module (see in_temporary_module/3) that may be (further) prepared by this hook.
Application (also a module) associated to the pengine.
Options is passed from the environment and should (currently) be ignored.