sgr-ksmt

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    // Create `Path` from array of string.
    function documentPath(paths) {
      return path([
        ['databases', database, 'documents'].join('/'),
        paths.join('/')
      ].join('/'));
    }

sgr-ksmt

struct ModelA: Codable {
    @Wrap<ModelA> var a: String? = "foobar"
}

sgr-ksmt

extension AnyObserver {
    static func create<E>(_ relay: PublishRelay<E>) -> AnyObserver<E> {
        return .init { event in
            guard case let .next(value) = event else { return }
            relay.accept(value)
        }
    }

    static func create<E>(_ relay: BehaviorRelay<E>) -> AnyObserver<E> {
        return .init { event in

sgr-ksmt

import * as functions from 'firebase-functions'
import * as request from 'request-promise-native'

export namespace IssueDynamicLink {
  export interface Request {
    params: DynamicLinkParameters
  }

  export interface Response {
    url: string

sgr-ksmt

//: Playground - noun: a place where people can play

import UIKit
import RxSwift
import RxCocoa
import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true

// PublishRelay vs BehaviorRelay
do {

sgr-ksmt

import UIKit

import RxSwift
import RxCocoa
import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true

// PublishRelay vs BehaviorRelay
do {
    let relay = PublishRelay<Int>()

sgr-ksmt

service cloud.firestore {
  match /databases/{database}/documents {
    function isAuthenticated() {
      return request.auth != null;
    }

    match /user/{userID} {
      allow read: if isAuthenticated();
      allow create: if true;
      allow update: if request.writeFields.size() == 1;

sgr-ksmt

protocol PushNotificationPayload: Decodable {
}

protocol SubscribeContainer {
    func parse(_ json: Data)
}

extension SubscribeContainer {
    func parse(_ json: Data) {

sgr-ksmt

[#＃][Ａ-Ｚａ-ｚA-Za-z一-鿆0-9０-９ぁ-ヶｦ-ﾟー]+
// http://qiita.com/corin8823/items/75309761833d823cac6f

sgr-ksmt

protocol DataSourceSection {
    associatedtype Element
    var elements: [Element] { get }
}

protocol DataSource {
    associatedtype Section: DataSourceSection
    var sections: [Section] { get }
}