jegnux

extension Result {
    public func `catch`(_ handler: () throws -> Success) -> Result<Success, Error> {
        flatMapError { _ in
            .init { try handler() }
        }
    }

    public func `catch`(_ handler: (Failure) throws -> Success) -> Result<Success, Error> {
        flatMapError { error in
            .init { try handler(error) }

merlinmann

Merlin's Wisdom Project

Or: “Everybody likes being given a glass of water.”

By Merlin Mann.

It's only advice for you because it had to be advice for me.

merlinmann

Quotations to Get Right

jayrhynas

private let configKey = CodingUserInfoKey(rawValue: UUID().uuidString)!

private struct ConfigWrapper<Value> {
    let value: Value
}

extension ConfigWrapper: Decodable where Value: DecodableWithConfiguration {
    init(from decoder: Decoder) throws {
        let config = decoder.userInfo[configKey]! as! Value.DecodingConfiguration
        value = try Value(from: decoder, configuration: config)

merlinmann

Usage I Dislike

---

An Epicenter of Wordsmithing…for the Enterprise.

---

Words: Ugly, Dumb, or Overpriced

ynagatomo

// Type-safe State Machine with Phantom Type  May 2022 @AtarayoSD
import Foundation

protocol State {}

// Transitions
protocol TransferableToB {}
protocol TransferableToC {}
protocol TransferableToD {}

KrisRJack

import UIKit

extension Array where Element == NSLayoutConstraint {
    
    /// Activates each constraint in an array of `NSLayoutConstraint`.
    ///
    /// Example usage: `[view.heightAnchor.constraint(equalToConstant: 30), view.widthAnchor.constraint(equalToConstant: 30)].activate()`
    func activate() {
        NSLayoutConstraint.activate(self)
    }

christianselig

import UIKit
import AVFoundation

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {    
    let tableView = UITableView(frame: .zero, style: .plain)
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        tableView.register(PlayerTableViewCell.self, forCellReuseIdentifier: "PlayerCell")

kconner

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

chockenberry

#!/bin/sh

pids=`ps axo pid,command | grep CoreSimulator | grep -v "grep CoreSimulator" | cut -c 1-5`

if [ "$1" = "go" ]; then 
	kill -9 $pids
elif [ "$1" = "echo" ]; then 
	echo $pids
else
	pid_param=`echo $pids | tr -s ' ' ','`