Question

How to insert an element at a specific index in a vector with Rust

Answer 1

fn main() {
    let mut vec = vec![4, 9, 8, 6, 5, 7];
    let index = 2;
    let element = 100;

    vec.insert(index, element);

    println!("{:?}", vec);
}



/*
run:

[4, 9, 100, 8, 6, 5, 7]

*/

 

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