Created
August 31, 2015 02:06
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Property initalizers in Swift
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| // It would help if Xcode visually differentiated between verbs and deverbal nouns. | |
| // It can get a little confusing using a human brain to parse which of those options each meow is. | |
| class Cat { | |
| init(meow: String = "Meow.") { | |
| // How this might look in Swift in the future. | |
| // self.meow.init(meow: meow) | |
| // How I have been emulating that | |
| // Pronounce 🐣 as "hatch" to understand its purpose. | |
| self.meow = Cat.🐣meow(meow: meow) | |
| // MARK: meow | |
| // meow = ... | |
| } | |
| // How this might look in Swift in the future. | |
| // Note that this requires two features: | |
| // 1. external parameter names for closures | |
| // 2. property initializers | |
| // let meow: (forSome thing: LikableThing) -> () | |
| // meow.init(meow: String) {return { | |
| // switch thing { | |
| // case .food: print(meow, meow) | |
| // case .moreFood: print(meow, meow, meow) | |
| // case .pets: print(meow) | |
| // } | |
| // }} | |
| // How I have been emulating that | |
| let meow: (forSome: LikableThing) -> () | |
| private static func 🐣meow(meow meow: String) -> | |
| LikableThing -> () { | |
| func meow(forSome thing: LikableThing) { | |
| switch thing { | |
| case .food: print(meow, meow) | |
| case .moreFood: print(meow, meow, meow) | |
| case .pets: print(meow) | |
| } | |
| }; return meow} | |
| } | |
| extension Cat {enum LikableThing { | |
| case food, moreFood, pets | |
| }} | |
| Cat().meow(forSome: .food) |
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