// main function
fn main(){
   // create some arrays
   let numbers = [5,10,15];
   let animals = ["cat","dog","fox","koala"];
   let letters = ["A","B","C","D","E"];
   let ages:[i32;5] = [10,22,30,4,18];

   // print length of arrays
   println!("Length of numbers array: {}", numbers.len());
   println!("Length of animals array: {}", animals.len());
   println!("Length of letters array: {}", letters.len());
   println!("Length of ages array: {}", ages.len());
}

Finding the length of an array in Rust

Use the len() function to get an array's length in Rust, which returns the element count.

Finding the length of an array in Rust

Overview

Syntax

Parameters

Return value

Example

Explanation