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Small quiz-game

Small quiz-game with World Bank TypeProvider (from FSharp.Data Nuget-package): Which country has the capital city of (random capital)? (Three options)

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#if INTERACTIVE
#r "../packages/FSharp.Data.2.0.5/lib/net40/FSharp.Data.dll"
#else
module QuizGame
#endif

open System
open FSharp.Data

let bank = WorldBankData.GetDataContext()
let countries = bank.Regions.World.Countries
                |> Seq.filter(fun i -> i.CapitalCity <> "") 
                |> Seq.map(fun i -> i.Name, i.CapitalCity)
let corrects = countries |> Seq.toArray
let rnd = Random()
let questionItem() = corrects.[rnd.Next(corrects.Length)]

let generateQuiz() =
    let correct, capitalCity = questionItem()
    capitalCity, [correct; fst(questionItem()); fst(questionItem())] |> List.sort

let checkAnswer country capitalCity =
    corrects |> Array.exists(fun (cou, cap) -> cou = country && cap = capitalCity)
namespace System
Multiple items
namespace FSharp

--------------------
namespace Microsoft.FSharp
Multiple items
namespace FSharp.Data

--------------------
namespace Microsoft.FSharp.Data
val bank : WorldBankData.ServiceTypes.WorldBankDataService

Full name: Script.bank
type WorldBankData =
  static member GetDataContext : unit -> WorldBankDataService
  nested type ServiceTypes

Full name: FSharp.Data.WorldBankData


<summary>Typed representation of WorldBank data. See http://www.worldbank.org for terms and conditions.</summary>
WorldBankData.GetDataContext() : WorldBankData.ServiceTypes.WorldBankDataService
val countries : seq<string * string>

Full name: Script.countries
property WorldBankData.ServiceTypes.WorldBankDataService.Regions: WorldBankData.ServiceTypes.Regions
property WorldBankData.ServiceTypes.Regions.World: WorldBankData.ServiceTypes.Region


The data for region 'World'
property WorldBankData.ServiceTypes.Region.Countries: WorldBankData.ServiceTypes.Countries


<summary>The indicators for the region</summary>
module Seq

from Microsoft.FSharp.Collections
val filter : predicate:('T -> bool) -> source:seq<'T> -> seq<'T>

Full name: Microsoft.FSharp.Collections.Seq.filter
val i : WorldBankData.ServiceTypes.Country
property Runtime.WorldBank.Country.CapitalCity: string
val map : mapping:('T -> 'U) -> source:seq<'T> -> seq<'U>

Full name: Microsoft.FSharp.Collections.Seq.map
property Runtime.WorldBank.Country.Name: string
val corrects : (string * string) []

Full name: Script.corrects
val toArray : source:seq<'T> -> 'T []

Full name: Microsoft.FSharp.Collections.Seq.toArray
val rnd : Random

Full name: Script.rnd
Multiple items
type Random =
  new : unit -> Random + 1 overload
  member Next : unit -> int + 2 overloads
  member NextBytes : buffer:byte[] -> unit
  member NextDouble : unit -> float

Full name: System.Random

--------------------
Random() : unit
Random(Seed: int) : unit
val questionItem : unit -> string * string

Full name: Script.questionItem
Random.Next() : int
Random.Next(maxValue: int) : int
Random.Next(minValue: int, maxValue: int) : int
property Array.Length: int
val generateQuiz : unit -> string * string list

Full name: Script.generateQuiz
val correct : string
val capitalCity : string
val fst : tuple:('T1 * 'T2) -> 'T1

Full name: Microsoft.FSharp.Core.Operators.fst
Multiple items
module List

from Microsoft.FSharp.Collections

--------------------
type List<'T> =
  | ( [] )
  | ( :: ) of Head: 'T * Tail: 'T list
  interface IEnumerable
  interface IEnumerable<'T>
  member Head : 'T
  member IsEmpty : bool
  member Item : index:int -> 'T with get
  member Length : int
  member Tail : 'T list
  static member Cons : head:'T * tail:'T list -> 'T list
  static member Empty : 'T list

Full name: Microsoft.FSharp.Collections.List<_>
val sort : list:'T list -> 'T list (requires comparison)

Full name: Microsoft.FSharp.Collections.List.sort
val checkAnswer : country:string -> capitalCity:string -> bool

Full name: Script.checkAnswer
val country : string
type Array =
  member Clone : unit -> obj
  member CopyTo : array:Array * index:int -> unit + 1 overload
  member GetEnumerator : unit -> IEnumerator
  member GetLength : dimension:int -> int
  member GetLongLength : dimension:int -> int64
  member GetLowerBound : dimension:int -> int
  member GetUpperBound : dimension:int -> int
  member GetValue : [<ParamArray>] indices:int[] -> obj + 7 overloads
  member Initialize : unit -> unit
  member IsFixedSize : bool
  ...

Full name: System.Array
val exists : predicate:('T -> bool) -> array:'T [] -> bool

Full name: Microsoft.FSharp.Collections.Array.exists
val cou : string
val cap : string
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More information

Link:http://fssnip.net/ml
Posted:3 years ago
Author:Tuomas Hietanen
Tags: world bank , game