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#ifndef VECTORNAMESERVER_H
#define VECTORNAMESERVER_H
 
#include "nameserverinterface.h"
#include <vector>
#include <utility>
 
using std::vector;
using std::pair;
 
namespace cpp_lab4 {
 
  class VectorNameServer : public NameServerInterface
  {
  public:
    VectorNameServer();
    ~VectorNameServer();
 
    /*
     * Insert a name/address pair. Does not check if the name
     * or address already exists.
     */
    void insert(const HostName &hostname, const IPAddress &ip);
 
    /*
     * Remove the pair with the specified host name. Returns true
     * if the host name existed and the pair was removed, false
     * otherwise.
     */
    bool remove(const HostName &hostname);
 
    /*
     * Find the IP address for the specified host name. Returns
     * NON_EXISTING_ADDRESS if the host name wasn't in the name
     * server.
     */
    IPAddress lookup(const HostName &hostname) const;
 
  private:
    vector<pair<HostName, IPAddress> > store;
  };  
 
  struct first_equal : binary_function<pair<HostName, IPAddress>,HostName,bool> {
    bool operator() (const pair<HostName, IPAddress>& x, const HostName& y) const
    {return x.first == y;}
  };  
}
 
#endif
 

prog.cpp:4:33: error: nameserverinterface.h: No such file or directory
prog.cpp:14: error: expected class-name before ‘{’ token
prog.cpp:23: error: expected ‘,’ or ‘...’ before ‘&’ token
prog.cpp:23: error: ISO C++ forbids declaration of ‘HostName’ with no type
prog.cpp:30: error: expected ‘,’ or ‘...’ before ‘&’ token
prog.cpp:30: error: ISO C++ forbids declaration of ‘HostName’ with no type
prog.cpp:37: error: ‘IPAddress’ does not name a type
prog.cpp:40: error: ‘HostName’ was not declared in this scope
prog.cpp:40: error: ‘IPAddress’ was not declared in this scope
prog.cpp:40: error: template argument 1 is invalid
prog.cpp:40: error: template argument 2 is invalid
prog.cpp:40: error: template argument 1 is invalid
prog.cpp:40: error: template argument 2 is invalid
prog.cpp:43: error: expected template-name before ‘<’ token
prog.cpp:43: error: expected `{' before ‘<’ token
prog.cpp:43: error: expected unqualified-id before ‘<’ token
prog.cpp:47: error: expected `}' at end of input

Standard output is empty