Class no_slots_error

boost::no_slots_error — Indicates a combiner was unable to synthesize a return value.

Synopsis

class no_slots_error : public std::exception {
public:
  virtual const char *  what() const;
};

Description

The no_slots_error exception may be thrown by last_value when it is run but unable to obtain any results from its input iterators. 
virtual const char *  what() const;