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it just works

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2021-01-28 11:12:05 -08:00
parent 8a229bf684
commit f48fb8d3e8
5 changed files with 135 additions and 70 deletions
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2
src/ast/euf/euf_egraph.h
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@ -304,7 +304,7 @@ namespace euf {
egraph const& g;
enode* n;
b_pp(egraph const& g, enode* n) : g(g), n(n) {}
std::ostream& display(std::ostream& out) const { return out << n->get_expr_id() << ": " << mk_bounded_pp(n->get_expr(), g.m); }
std::ostream& display(std::ostream& out) const { return n ? (out << n->get_expr_id() << ": " << mk_bounded_pp(n->get_expr(), g.m)) : out << "null"; }
};
b_pp bpp(enode* n) const { return b_pp(*this, n); }
std::ostream& display(std::ostream& out) const;