Skip to content

Instantly share code, notes, and snippets.

@rizumita

rizumita/sum_optional_ints.swift

Created August 31, 2015 05:17
Show Gist options
  • Save rizumita/7eaab55942529b234f66 to your computer and use it in GitHub Desktop.
Save rizumita/7eaab55942529b234f66 to your computer and use it in GitHub Desktop.
Download ZIP
Int? = Int? + Int? in Swift
Raw
sum_optional_ints.swift
let a: Int? = 10
let b: Int? = 20
let values = [a, b].flatMap { $0 }
let c: Int? = values.isEmpty ? nil : values.reduce(0, combine: +)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment