ResourceMgr class
          #include <eckit/config/ResourceMgr.h>
        
        
Public static functions
- static auto instance() -> ResourceMgr&
- 
              static auto lookUp(const std::string&, const std:: string&, const std:: string&, std:: string&) -> bool 
Public functions
- 
              auto registCmdArgOptions(const std::string&) -> bool