Issue

I'm playing with Rust and I wonder how I can print an array and a vector.

let a_vector = vec![1, 2, 3, 4, 5];
let an_array = ["a", "b", "c", "d", "e"];

I want to print on the screen and the result should be something like:

[1, 2, 3, 4, 5]
["a", "b", "c", "d", "e"]

In python it is:

lst = ["a", "b", "c", "d", "e"]
print lst

and printing it would show:

["a", "b", "c", "d", "e"]

Solution

println!("{:?}", a_vector);
println!("{:?}", an_array);

The {:?} is used to print types that implement the Debug trait. A regular {} would use the Display trait which Vec and arrays don't implement.

Answered By - A.B.

Answer Checked By - Terry (PHPFixing Volunteer)