brettohland

Supporting FormatStyle & ParseableFormatStyle To Your Custom Types

A full example of adding String and AttributedString output to our custom types, as well as adding the ability to parse String values into your custom type.

Read the blog post

See the Xcode Playground

brettohland

ParseableFormatStyle & You

See the blog post

Download the Xcode Playground

---

brettohland

import Foundation

// MARK: - URL
// https://developer.apple.com/documentation/foundation/formatstyle/4013379-url

let appleURL = URL(string: "https://apple.com")!
appleURL.formatted() // "https://apple.com"
appleURL.formatted(.url) // "https://apple.com"
appleURL.formatted(.url.locale(Locale(identifier: "fr_FR"))) // "https://apple.com"

brettohland

FormatStyle in Excruciating Detail

A collection of all of the various options and styles available to you if you'd like to format data into string on iOS 15.

See every option in detail at fuckingformatstyle.com or goshdarnformatstyle.com.

Download the Xcode Playground:

https://github.com/brettohland/FormatStylesDeepDive

brettohland

struct ToYen: FormatStyle {
    typealias FormatInput = Int
    typealias FormatOutput = String

    func format(_ value: Int) -> String {
        Decimal(value * 100).formatted(.currency(code: "jpy"))
    }
}

extension FormatStyle where Self == ToYen {

brettohland

import SwiftUI
import UIKit

// MARK: - Setup

let twosdayDateComponents = DateComponents(
    year: 2022,
    month: 2,
    day: 22,
    hour: 2,

brettohland

#! /usr/bin/env ruby
 
require 'fileutils'
require 'pathname'

#Remove the \n character at the end of the path returned
root = %x(git rev-parse --show-toplevel).chomp 
root_path = Pathname.new(root)

podfile = root + '/Podfile.lock'

brettohland

Keybase proof

I hereby claim:

• I am brettohland on github.
• I am bretto (https://keybase.io/bretto) on keybase.
• I have a public key whose fingerprint is 424B 5733 C07A DD48 3D7B 8147 1F6B 0BDD 87F4 51F2

To claim this, I am signing this object: