nicky1525
nicky1525
/ FunctionalKata.Swift
Created
January 22, 2017 18:23
Functional Kata, learning functional programming.
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| import XCTest | |
| @testable import FunctionalKata | |
| class FunctionalKataTests: XCTestCase { | |
| // Create a function to count the elements contained in a list | |
| func count(list: [Any?]) -> Int { | |
| if let _ = list.first { | |
| let tail = Array(list.dropFirst()) | |
| return 1 + count(list: tail) |
nicky1525
/ ArrayLeftRotation.swift
Last active
July 21, 2018 19:22
A left rotation operation on an array shifts each of the array's elements unit to the left. Given an array of integers and a number, perform left rotations on the array. Return the updated array to be printed as a single line of space-separated integers.
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| func rotLeft(a: [Int], d: Int) -> [Int] { | |
| var array: [Int] = [] | |
| for i in 0 ..< a.count { | |
| let index = (i + d) % a.count | |
| array.append(a[index]) | |
| } | |
| return array | |
| } | |