https://rentry.org/PPP2_p118b

// Code derived from Stroustrup's PPP2 book
// § 4.6 vector
//  -and beginning on p 118

#include <iostream>
#include <string>
#include <vector>

using std::cout;
using std::string;
using std::vector;

int main()
{
  // vector of 6 ints
  vector<int> v = {5, 7, 9, 4, 6, 8};

  // vector of 4 strings
  vector<string> philosophers = {"Kant", "Plato", "Hume", "Kierkegaard"};

  philosophers[2] = 99;      // error: trying to assign an int to a string
  v[2]            = "Hume";  // error: trying to assign a string to an int
}

build & run:

g++ -std=c++20 -O2 -Wall -pedantic ./ch_04/main_p118b.cpp && ./a.out

PrevUpNext

Edit
Pub: 08 Feb 2023 00:12 UTC
Edit: 29 Apr 2023 08:33 UTC
Views: 449