[Rust]所有権、所有権、所有けんけんけけんけん ref: https://qiita.com/akehoyayoi/items/abe58c8d7be198587a34

main.c

#include <stdio.h>
#include <string>
#include <iostream>
#include <vector>

int main(){
    auto s = new std::vector<std::string>();s->push_back("udon");s->push_back("ramen");s->push_back("soba");
    auto t = s; s = NULL;
    auto u = s; s = NULL; 
    std::cout << (*s)[0] << std::endl;
    return 0;
}

main.cpp

#include <stdio.h>
#include <string>
#include <iostream>
#include <vector>

int main(){
    auto s = new std::vector<std::string>();s->push_back("udon");s->push_back("ramen");s->push_back("soba");
    auto t = s; s = NULL;
    auto u = s; s = NULL; 
    std::cout << (*s)[0] << std::endl;
    return 0;
}

main.rs

fn main() {
    let s = vec!["udon".to_string(),"ramen".to_string(),"soba".to_string()];
    let t = s; // sはここで所有権を失う
    let u = t;
    println!("s[0] is: {}", s[0]); // 所有権のないsにアクセス！
}

実行結果

$ g++ -std=c++11 main.cpp 
$ ./a.out 
Segmentation fault: 11