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z3str3: add is_var() similar to theory_seq's implementation

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Murphy Berzish 2019-09-26 12:33:04 -04:00 • committed by Nikolaj Bjorner
parent 1c70bcee69
commit f29b033253
2 changed files with 17 additions and 1 deletions
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src/smt/theory_str.h
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@ -572,6 +572,7 @@ protected:
expr * z3str2_get_eqc_value(expr * n , bool & hasEqcValue);
bool in_same_eqc(expr * n1, expr * n2);
expr * collect_eq_nodes(expr * n, expr_ref_vector & eqcSet);
bool is_var(expr * e) const;
bool get_arith_value(expr* e, rational& val) const;
bool get_len_value(expr* e, rational& val);