31 lines
694 B
Plaintext
31 lines
694 B
Plaintext
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process main {
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var("0") x;
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process_manager() mgr;
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var("false") backtrack_check;
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backtrack_point() point;
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If (backtrack_check) {
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val_equal(x, "2") a; # must not have rebound temporarily to A during backtracking
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assert(a);
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exit("0");
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};
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multiprovide("A");
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mgr->start("t1", "t1", {});
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val_equal(x, "1") a; # must have bound to A immediately
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assert(a);
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multiprovide("B") mgr;
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val_equal(x, "2") a; # must have rebound to B immediately
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assert(a);
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backtrack_check->set("true");
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point->go();
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}
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template t1 {
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multidepend({"B", "A"}) dep;
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num_add(dep.x, "1") new_x;
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dep.x->set(new_x);
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}
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