#include <eckit/value/Expression.h>
          template<class T, class U>
          CondUnary class
        
        
Base classes
- 
              template<class T>class Expression<U>
Constructors, destructors, conversion operators
- CondUnary(Expression<U>* cond)
- ~CondUnary() override
Public functions
- 
              auto eval(U& task) const -> eckit::Value virtual 
Private functions
- 
              void print(std::ostream& s) const override