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fix #2445 fix #2519

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-13 20:24:05 -07:00
parent 224cc8f8dd
commit 71d68b8fe0
5 changed files with 157 additions and 120 deletions
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5
src/ast/seq_decl_plugin.h
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@ -279,8 +279,9 @@ public:
app* mk_lex_le(expr* a, expr* b) const { expr* es[2] = { a, b }; return m.mk_app(m_fid, OP_STRING_LE, 2, es); }
bool is_nth_i(func_decl* f) const { return is_decl_of(f, m_fid, OP_SEQ_NTH_I); }
bool is_nth_u(func_decl* f) const { return is_decl_of(f, m_fid, OP_SEQ_NTH_U); }
bool is_nth_i(func_decl const* f) const { return is_decl_of(f, m_fid, OP_SEQ_NTH_I); }
bool is_nth_u(func_decl const* f) const { return is_decl_of(f, m_fid, OP_SEQ_NTH_U); }
bool is_skolem(func_decl const* f) const { return is_decl_of(f, m_fid, _OP_SEQ_SKOLEM); }
bool is_string(expr const * n) const { return is_app_of(n, m_fid, OP_STRING_CONST); }
bool is_string(expr const* n, symbol& s) const {