Elvis Shi el-hoshino

🏠

Working from home

Religion: Swift.

el-hoshino / file0.swift

Last active February 24, 2017 03:21

lazy var の遅延参照？という面白い動き ref: http://qiita.com/lovee/items/5f68762cb46c70af0c9a

	struct Data {

	var int = 1

	mutating func increase(completion: (Int) -> Void) {
	self.int += 1
	completion(self.int)
	}

	}

el-hoshino / file0.swift

Last active February 18, 2017 00:41

配列の特定要素を抽出するのに for 文の代わりに if 文を使いましょう ref: http://qiita.com/lovee/items/1ae88d41b573b5d1012c

	let list = ["Apple", "Boy", "Serval Cat"]

	func search(for target: String) {

	for item in list {
	if item.lowercased().hasSuffix(target.lowercased()) {
	print("We have a \(item)")
	return
	}
	}

el-hoshino / TanakaLover

Created February 10, 2017 08:29

今更聞けない？Struct と Class の使い分け方（補足） ref: http://qiita.com/lovee/items/0bf5e663dd74983cc0d3

	import Foundation

	protocol BankAccountDelegate: class {
	func account(_ account: BankAccount, changePasswordTo newPassword: String) throws -> Int
	func account(_ account: BankAccount, transfer amount: Int, to receiver: Int) throws
	}

	//class BankAccount {
	struct BankAccount {

el-hoshino / file0.swift

Last active December 21, 2016 06:21

Swift 3.0 の String の正規表現 ref: http://qiita.com/lovee/items/d5f1ecfbff90ffd5b0e5

range(of searchString: String, options: String.CompareOptions, range: Range<String.Index>?, locale: Locale?)

el-hoshino / after

Last active November 6, 2018 04:46

Swift で Class-Only Protocol を定義する ref: https://qiita.com/lovee/items/a686e11f00b31323e683

	protocol SomeProtocol: class {
	var aVariable: Int { get set }
	func increase()
	}

	extension SomeProtocol {
	func increase() {
	self.aVariable += 1
	}
	}

el-hoshino / GCD.swift

Created April 29, 2016 12:56

dispatch いちいち書くの面倒だったら…自分で改良すればいいじゃない！ ref: http://qiita.com/lovee/items/facfe77f6eab16651f08

	import Foundation

	struct GCD {

	enum Thread {

	case Main
	case Static(queue: dispatch_queue_t)
	case Dynamic(name: String, attribute: QueueAttribute)

el-hoshino / ChildViewController

Last active April 21, 2016 13:18

遅延生成で生成時に色々設定を入れる方法 ref: http://qiita.com/lovee/items/0bf551b5ef65ad00cccc

	import UIKit

	class ChildViewController: UIViewController {

	init() {
	super.init(nibName: nil, bundle: nil)
	print("Child controller inited")
	}

	required init?(coder aDecoder: NSCoder) {

el-hoshino / file1.txt

Last active April 4, 2016 06:23

ソースコードで想いを届ける（Swift コマンドライン編） ref: http://qiita.com/lovee/items/a225e27610a663035cd8

	% swift iLoveYou.swift 春彦母
	私は春彦母のことが好きです

el-hoshino / file0.swift

Last active March 30, 2016 13:58

Range<Int> に distance 作って Int に指定範囲で乱数を作成させる extension ref: http://qiita.com/lovee/items/942de12e9edb5ad01f48

	//普通に distanceTo を使うからこの方法やめる
	//extension Range where Element: IntegerType {
	extension Range {

	//普通に distanceTo を使うからこの方法やめる
	//var distance: Element {
	// return self.endIndex - self.startIndex
	//}

	var distance: Element.Distance {

el-hoshino / after

Created March 24, 2016 08:35

【TIPS】protocol の対応は extension で！ ref: http://qiita.com/lovee/items/2b96b9db0fbe7fccfbc1