ikesyo

public enum ScreenState<Value, Error: Swift.Error> {
    case loading
    case failed(Error)
    case empty
    case loaded(Value)

    public var isLoading: Bool {
        if case .loading = self { return true }
        return false
    }

ikesyo

// https://twitter.com/Kyomesuke/status/1702700847183151125

import SwiftUI

struct BiggerWidthPreferenceKey: PreferenceKey {
    static var defaultValue: CGFloat { .zero }

    static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
        value = max(value, nextValue())
    }

ikesyo

// swift-interface-format-version: 1.0
// swift-compiler-version: Apple Swift version 5.7.1 (swiftlang-5.7.1.135.3 clang-1400.0.29.51)
// swift-module-flags: -target arm64-apple-macos11.0 -enable-objc-interop -enable-library-evolution -swift-version 5 -enforce-exclusivity=checked -O -package-description-version 999.0 -module-link-name XcodeProjectPlugin -module-name XcodeProjectPlugin
// swift-module-flags-ignorable: -enable-bare-slash-regex -user-module-version 21508
import PackagePlugin
import Swift
public struct XcodeProject {
  public let id: XcodeProjectPlugin.XcodeProject.ID
  public typealias ID = Swift.String
  public let displayName: Swift.String

ikesyo

Type aliasesによる互換性確保

Kansai.kt #4 〜呑んだくれLT大会〜の発表資料とさせてください。

自己紹介

• @ikesyo
  • 株式会社はてな アプリケーションエンジニア@京都
  • https://twitter.com/ikesyo
• https://github.com/ikesyo

ikesyo

$ xcodebuild -list
Resolve Package Graph

Resolved source packages:
  MyLibrary: /Users/ikesyo/Desktop/MyLibrary

Information about workspace "MyLibrary":
    Schemes:
 MyLibrary

ikesyo

関西モバイルアプリ研究会 #24 の発表資料とさせてください。

d_date

• Presentations by d_date // Speaker Deck
  • 色々発表されていそう

@objcについて

• https://github.com/apple/swift-evolution/blob/master/proposals/0160-objc-inference.md
• Quick/Quick#735
• Quick/Nimble#457

ikesyo

import Foundation

class ABC {}

let abc = ABC()

// in-out expression can be used for CConstVoidPointer parameter.
var key: Void?
objc_setAssociatedObject(abc, &key, "value", UInt(OBJC_ASSOCIATION_RETAIN_NONATOMIC))

ikesyo

#!/usr/bin/env bash
# Automatically installs swiftenv and run's swiftenv install.
# This script was designed for usage in CI systems.

git clone -b support-installing-previews --depth 1 https://github.com/ikesyo/swiftenv.git ~/.swiftenv
export SWIFTENV_ROOT="$HOME/.swiftenv"
export PATH="$SWIFTENV_ROOT/bin:$SWIFTENV_ROOT/shims:$PATH"

if [ -f ".swift-version" ] || [ -n "$SWIFT_VERSION" ]; then
  swiftenv install -s

ikesyo

// https://twitter.com/watura/status/708164552882425856

import Himotoki

struct Foo: Decodable {
    let JSON: [String: AnyJSON]
    
    static func decode(e: Extractor) throws -> Foo {
        let dictFromJSONStringTransformer = Transformer<String, [String: AnyJSON]> { string in
            guard let data = string.dataUsingEncoding(NSUTF8StringEncoding) else {

ikesyo

diff --git a/Source/CarthageKit/Errors.swift b/Source/CarthageKit/Errors.swift
index f15cc3b..07ac87f 100644
--- a/Source/CarthageKit/Errors.swift
+++ b/Source/CarthageKit/Errors.swift
@@ -28,6 +28,9 @@ public enum CarthageError: ErrorType, Equatable {
 	/// a dependency.
 	case RequiredVersionNotFound(ProjectIdentifier, VersionSpecifier)
 
+	/// A git submodule didn't exist which is listed in `.gitmodules` entries.
+	case SubmoduleNotFound(String)