Boost C++ Libraries

// In header: <boost/yap/algorithm_fwd.hpp>



enum expr_kind { expr_ref = 0, terminal = 1, unary_plus = 2, negate = 3, 
                 dereference = 4, complement = 5, address_of = 6, 
                 logical_not = 7, pre_inc = 8, pre_dec = 9, post_inc = 10, 
                 post_dec = 11, shift_left = 12, shift_right = 13, 
                 multiplies = 14, divides = 15, modulus = 16, plus = 17, 
                 minus = 18, less = 19, greater = 20, less_equal = 21, 
                 greater_equal = 22, equal_to = 23, not_equal_to = 24, 
                 logical_or = 25, logical_and = 26, bitwise_and = 27, 
                 bitwise_or = 28, bitwise_xor = 29, comma = 30, mem_ptr = 31, 
                 assign = 32, shift_left_assign = 33, shift_right_assign = 34, 
                 multiplies_assign = 35, divides_assign = 36, 
                 modulus_assign = 37, plus_assign = 38, minus_assign = 39, 
                 bitwise_and_assign = 40, bitwise_or_assign = 41, 
                 bitwise_xor_assign = 42, subscript = 43, if_else = 44, 
                 call = 45 };