rust vector indexing compared to c++
在c++中初始化数组,读写数组,读数组.
#include <vector>
#include <iostream>
using std::vector;
using std::cout;
using std::endl;
int main() {
vector<int> v={
1,2,3,4,5,6};
for(int i=0;i<v.size();++i){
v[i]+=1;
}
for(int i=0;i<v.size();++i){
cout<<v[i]<<endl;
}
return 0;
}
在rust中…
use std::ops::IndexMut;
fn main() {
let mut v=vec![1,2,3,4,5,6];
for i in 0..v.len() {
*v.index_mut(i)+=1;
}
for i in 0..v.len() {
println!("{}",v[i]);
}
}
markdown好像不支持rust的格式,所以就直接用c++的了.