TheArtOfHPC_vol3_cppf08programming/Code/array/arrayprint.cpp

/****************************************************************
 ****
 **** This file belongs with the course
 **** Introduction to Scientific Programming in C++/Fortran2003
 **** copyright 2017-2023 Victor Eijkhout eijkhout@tacc.utexas.edu
 ****
 **** arrayprint.cxx : printable array class
 ****
 ****************************************************************/

#include <iostream>
using std::cin;
using std::cout;
#include <sstream>
using std::stringstream;

#include <string>
using std::string;
using std::to_string;

#include <vector>
using std::vector;

//codesnippet printablevector
class namedvector {
private:
  string name;
  vector<int> values;
public:
  namedvector(int n,string name="unnamed")
    : name(name),values(n) {
  };
  string rendered() {
    stringstream render;
    render << name << ":";
    for (auto v : values )
      render <<  " " << v << ",";
    return render.str();
  }
  //codesnippet end
  //codesnippet vectorinheritat
  int &at(int i) {
    return values.at(i);
  };
  //codesnippet end
  //codesnippet printablevector
};
//codesnippet end

int main() {

  int length = 5;
  namedvector pv(length,"example1");
  for (int i=0; i<length; ++i)
    pv.at(i) = length-i;
  cout << pv.rendered() << '\n';

  return 0;
}