示例#1
0
optional<unsigned> is_internal_cases(expr const & e) {
    return is_internal_symbol(e, *g_cases);
}
示例#2
0
optional<unsigned> is_internal_proj(expr const & e) {
    return is_internal_symbol(e, *g_proj);
}
示例#3
0
// =========
bool Tape::is_valid_symbol (const symbol_t& symbol_i) const
{
  return (is_input_symbol (symbol_i) || is_internal_symbol (symbol_i) || is_empty_symbol (symbol_i));
}