find the smallest number in n array in swift

main.swift
func findSmallestNumber(in numbers: [Int]) -> Int? {
    // Check if the array is empty
    guard !numbers.isEmpty else {
        return nil
    }
    
    // Set the initial smallest value to the first element of the array
    var smallest = numbers[0]
    
    // Loop through the remaining elements of the array
    for num in numbers.dropFirst() {
        // Check if the current number is smaller than the smallest seen so far
        if num < smallest {
            smallest = num
        }
    }
    return smallest
}
525 chars
19 lines

main.swift
let numbers = [5, 2, 8, 1, 9]
if let smallestNumber = findSmallestNumber(in: numbers) {
    print("The smallest number in the array is \(smallestNumber)")
} else {
    print("The array is empty")
}
198 chars
7 lines

main.swift
The smallest number in the array is 1
38 chars
2 lines