error: ‘pos_t’ is not a class or namespace

[tejasvi]

p.cpp

#include "wnb/core/wordnet.hh"
#include "wnb/nltk_similarity.hh"

using namespace std;
using namespace wnb;

int main()
{
wordnet wn = wordnet("/usr/bin/", true);

vector synsets1 = wn.get_synsets("cat", 1);
vector synsets2 = wn.get_synsets("dog", 1);

nltk_similarity similarity(wn);
float d = similarity(synsets1[0], synsets2[0], 6);

}

Output

user@cclab-OptiPlex-5055-Ryzen-CPU:~$ gcc p.cpp
In file included from p.cpp:1:0:
wnb/core/wordnet.hh:89:74: error: ‘pos_t’ is not a class or namespace
std::vector get_synsets(const std::string& word, pos_t pos = pos_t::UNKNOWN);
^
p.cpp: In function ‘int main()’:
p.cpp:11:49: error: call to ‘std::vectorwnb::synset wnb::wordnet::get_synsets(const string&, wnb::pos_t)’ uses the default argument for parameter 2, which is not yet defined
vector synsets1 = wn.get_synsets("cat");
^
p.cpp:12:49: error: call to ‘std::vectorwnb::synset wnb::wordnet::get_synsets(const string&, wnb::pos_t)’ uses the default argument for parameter 2, which is not yet defined
vector synsets2 = wn.get_synsets("dog");
^