26 int main(
int argc, 
char** argv) {
    35         CmdLine cmd(
"Calculator for yaw to quaternion.",
' ',
"0.1");
    40         std::cerr << 
"error: " << e.
error() << 
" for arg " << e.
argId() << std::endl;
    42     Eigen::Quaternion<double> q;
    43     q = Eigen::AngleAxis<double>(yaw, Eigen::Vector3d::UnitZ());
    44     std::cout << 
"Quaternion: [x: " << q.x() << 
" y: " << q.y() << 
" z: " << q.z() << 
" w: " << q.w() << 
"]" << std::endl;
 int main(int argc, char **argv)
std::string argId() const 
std::string error() const 
void parse(int argc, char **argv)