Q:

Rust program to find the length of an array

belongs to collection: Rust Arrays Programs

YasminRadwan26
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2022-07-18
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In this program, we will create different types of arrays without specifying their type. Then we will find the length of the array using the len() function and print the result.

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YasminRadwan26
2022-07-18
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Program/Source Code:

The source code to find the length of an array is given below. The given program is compiled and executed successfully.

// Rust program to find the 
// length of an array

fn main(){
   let arr1 = [5,10,15];
   let arr2 = [5.1,10.2,15.3,20.4];
   let arr3 = ["ABC","LMN","PQR","TUV","XYZ"];
   
   println!("Length of arr1: {}",arr1.len());
   println!("Length of arr2: {}",arr2.len());
   println!("Length of arr3: {}",arr3.len());
}

Output:

Length of arr1: 3
Length of arr2: 4
Length of arr3: 5

Explanation:

Here, we created three arrays arr1, arr2, and arr3 with different data elements. Then we found the length of the array and printed the result.

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