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c++ Programming Glossary: op_andHow to calculate boolean expression in Spirit http://stackoverflow.com/questions/12598029/how-to-calculate-boolean-expression-in-spirit return boost lexical_cast bool v bool operator const binop op_and b const recurse b.oper1 recurse b.oper2 bool operator const.. spirit qi namespace phx boost phoenix struct op_or struct op_and struct op_not typedef std string var template typename tag struct.. unop op_not boost recursive_wrapper binop op_and boost recursive_wrapper binop op_or expr template typename tag..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c note the definition of expr struct op_or tag struct op_and tag struct op_xor tag struct op_not tag typedef std string var.. unop op_not boost recursive_wrapper binop op_and boost recursive_wrapper binop op_xor boost recursive_wrapper.. and_ _val _1 and_ not_ and not_ _val phx construct binop op_and _1 _2 not_ _val _1 not_ not simple _val phx construct unop op_not..
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