goofballLogic

// Set up:
//  - dotnet new console
//  - dotnet add package OneOf

// Implement each of the methods below so that they all compile
// There only one valid implementation for each function (apart from f5 & f6)

using OneOf;

A F1<A>(A a) {

goofballLogic

class Cat {
  speak() { return "meow"; }
}

function process(cat) { 
  return cat.speak(); 
}

class Ball {
}

goofballLogic

terraform {
    required_version = ">= 0.12"
}

provider "aws" {
    region = "eu-west-1"
}

resource "aws_instance" "web" {

goofballLogic

const ordinalSuffixes = {
  "en": {    
    "one": "st",
    "two": "nd",
    "few": "rd",
    "other": "th"
  }
};

export class OrdinalFormat {

goofballLogic

import { OrdinalFormat } from "./ordinal-formatting.js";

const fullFormat = new Intl.DateTimeFormat("en", { dateStyle: "full" });

const now = new Date();
const parts = fullFormat.formatToParts(now);

const weekDayName = parts.find(p => p.type === "weekday").value;
const dayName = parts.find(p => p.type === "day").value;

goofballLogic

const fullFormat = new Intl.DateTimeFormat("en", { dateStyle: "full" });

const ordinalSuffixes = {
    "one": "st",
    "two": "nd",
    "few": "rd",
    "other": "th"
};

const ordinalPluralRules = new Intl.PluralRules("en", { type: "ordinal" });

goofballLogic

const ordinalSuffixes = {
    "one": "st",
    "two": "nd",
    "few": "rd",
    "other": "th"
};

const ordinalPluralRules = new Intl.PluralRules("en", { type: "ordinal" });

function withOrdinalSuffix(x) {

goofballLogic

const ordinalSuffixes = {
    "one": "st",
    "two": "nd",
    "few": "rd",
    "other": "th"
};

const ordinalPluralRules = new Intl.PluralRules("en", { type: "ordinal" });
const ordinal = ordinalPluralRules.select(3);

goofballLogic

const cardinalPluralRules = new Intl.PluralRules("en");
cardinalPluralRules.select(0) // other
cardinalPluralRules.select(1) // one
cardinalPluralRules.select(2) // other
cardinalPluralRules.select(3) // other
cardinalPluralRules.select(4) // other

const ordinalPluralRules = new Intl.PluralRules("en", { type: "ordinal" });
ordinalPluralRules.select(0) // other
ordinalPluralRules.select(1) // one

goofballLogic

const fullFormat = new Intl.DateTimeFormat("en", { dateStyle: "full" });
const now = new Date();

fullFormat.format(now);
// Thursday, October 28, 2021

fullFormat.formatToParts(now)
/*
[
   {