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Solution Review 3: Find nth Fibonacci Number

Solution Review 3: Find nth Fibonacci Number

This lesson gives a detailed review of the challenge in the previous lesson.

We'll cover the following...

Solution:

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fn fibonacci(term: i32) -> i32 {
    match term {
        0 =>  0,
        1 =>  1,
        _ => fibonacci(term-1) + fibonacci(term-2),
    }
}
fn main(){
    println!("fibonacci(4)={}",fibonacci(4));
}

Explanation

A recursive function, fibonacci, takes a parameter term of type i32 and returns an integer of type i32, i.e., the nth term of the Fibonacci number.

The recursive function ...