paulweichhart

import Foundation
import PlaygroundSupport
import SwiftUI

struct Content: View {
    var body: some View {
        Text("👋🏻, 🌍!")
    }
}

danielctull

extension UICollectionViewFlowLayout {

    typealias DelegateMethod<Key, Value> = ((UICollectionView, UICollectionViewLayout, Key) -> Value)

    private var delegate: UICollectionViewDelegateFlowLayout? {
        return collectionView?.delegate as? UICollectionViewDelegateFlowLayout
    }

    func retrieve<Key, Value>(

douglashill

// Douglas Hill, February 2018

import Foundation

/// Returns a localised string with the key as an enum case so the compiler checks it exists.
/// The enum should be automatically generated using UpdateLocalisedStringKeys.swift.
public func localisedString(_ key: LocalisedStringKey) -> String {
    return Bundle.main.localizedString(forKey: key.rawValue, value: nil, table: nil)
}

jeremiegirault

extension UILayoutPriority: ExpressibleByFloatLiteral, ExpressibleByIntegerLiteral {
    public init(floatLiteral value: Float) {
        self.init(rawValue: value)
    }

    public init(integerLiteral value: Int) {
        self.init(rawValue: Float(value))
    }

    public static func +(lhs: UILayoutPriority, rhs: UILayoutPriority) -> UILayoutPriority {

gwengrid

Slides for talk

https://speakerdeck.com/gwengrid/keep-calm-and-type-erase-on

Some Further Reading

Step-By-Step, writing a type-erased wrapper class by Hector Matos

Why?! No type parameters on generic protocols pt 1 pt 2 by Russ Bishop

alexander-yakushev

%% Copyright 2020 Alexander Yakushev
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
%   http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%

CodaFi

#Every Single Option Under The Sun

• optimization level options
• automatic crashing options
• debug info options
• swift internal options
• swift debug/development internal options
• linker-specific options
• mode options

erica

/*

ericasadun.com
Playground Support for NIB-based interaction: Add to playground's Sources folder

*/

import Cocoa
import XCPlayground

kristopherjohnson

// Note: This must be used in an Xcode project that contains a bridging header
// that includes <asl.h>

import Foundation

/// Provides high-level methods to access the raw data in
/// an ASL message.
struct SystemLogEntry {
    /// Key-value pairs read from ASL message
    let data: [String : String]

sdarlington

import Foundation

func genericFizzBuzz<T> (number:T, tests:Array<(T)->String?>) -> String {
    
    // Run each of the defined test replacements
    let out = tests.map { t in t(number) }
        // convert the nil's to empty strings
        .map { v in v ?? "" }
        // Concatenate all the replacements together
        .reduce("", combine: +)