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#include <sdsl/vectors.hpp>
#include <iostream>
using namespace sdsl;
using namespace std;
int main()
{
std::string tmp_file = "tmp_file.sdsl";
{
// generate int_vector and store to a file
int_vector<> v = {1,3,5,7,2,3,4,9,8,7,10,1};
store_to_file(v, tmp_file);
}
{
// use int_vector_buffer to open the file
int_vector_buffer<> ivb(tmp_file);
// output elements and assign 42 to each of them
for (auto x : ivb) {
cout << x << endl;
x = 42;
}
// int_vector_buffer is destroy at the end of the
// scope and all value are written to disk
}
{
// read vector from file and output it
int_vector<> v;
load_from_file(v, tmp_file);
cout << v << endl;
}
// delete temporary file
sdsl::remove(tmp_file);
}
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