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fix #3814

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-07 10:40:36 -07:00
parent cb136418d5
commit 8dac9b7b94
6 changed files with 14 additions and 17 deletions
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1
src/muz/base/dl_rule_set.h
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@ -254,6 +254,7 @@ namespace datalog {
void set_output_predicate(func_decl * pred) { m_refs.push_back(pred); m_output_preds.insert(pred); }
bool is_output_predicate(func_decl * pred) const { return m_output_preds.contains(pred); }
void inherit_output_predicate(rule_set const& src, func_decl* pred) { if (src.is_output_predicate(pred) && !is_output_predicate(pred)) set_output_predicate(pred); }
const func_decl_set & get_output_predicates() const { return m_output_preds; }
func_decl* get_output_predicate() const { SASSERT(m_output_preds.size() == 1); return *m_output_preds.begin(); }