http://events.dev.by/funktsionalnye-yazyki-programmirovaniya

1. F# for Data*
@sergey_tih
on
2014

2. Proposition 1
The world is
information-rich
Copyright by Don Syme

3. Proposition 2
Modern application are
information-rich
Copyright by Don Syme

4. Proposition 3
Our languages are
information-sparse
Copyright by Don Syme

5. Proposition 4
This is a problem!
Copyright by Don Syme

6. How it worked before?
Codegen, codegen, codegen!
Source
• WCF Services
• Database
• OData
Codegen
Tool
• svcutil.exe
• edmgen.exe
• datrasvcutil.
exe
Types
+code
Program

7. F# 3.0 fixes this using
Type Providers

8. A Type Provider is
Design-time component that provides
a computed space of types and
methods…
A compiler/IDE extension …
An adaptor between data/services
and .NET languages…

9. F# 3.0 Built-in Type Provides
• WsdlService
• EdmxFile
• ODataService
• DbmlFile (DBML file based)
• SqlDataConnection (LINQ to SQL)
• SqlEntityConnection (LINQ to
Entities)

10. FSharp.Data
• CSV Type Provider
• HTML Type Provider
• JSON Type Provider
• XML Type Provider
• WorldBank Provider
• Freebase Provider
http://fsharp.github.io/FSharp.Data/

11. JSON Type Provider

12. CSV Type Provider

13. HTML Type Provider

14. WorldBank Provider
The World Bank is an international organization that provides
financial and technical assistance to developing countries around the
world. As one of the activities, the World Bank also collects
development indicators and other data about countries in the world.
The data catalog contains over 8000 indicators that can be
programmatically accessed.

15. SqlCommandProvider

16. Fsharp for Data Science
Deedle Charting

17. R Type Provider: Linear
Regression
Y = 5.0 + 3.0*X1 - 2.0*X2 + noise

18. Deedle: Exploratory data library for
.NET

19. R Type Provider: Neural Networks

20. Type Provides
• DBMLFILE
• EDMXFILE
• ODATASERVICE
• SQLDATACONNECTION
• SQLENTITYCONNECTION
• WSDLSERVICE
• APIARY
• CSV
• FREEBASE
• JSON
• WORLDBANK
• XML
• HTML
• APPSETTINGS
• EXCEL
• GRAPH
• MACHINE
• MANAGEMENT
• MATH
• REGEX
• XAML
• XRM
• CRM
• TWITTER
• RSS
• NUGET
• DGML
• WORD
• DATASTORE
• HADOOP/HIVE/HDFS
• MINICVS
• FUNSCRIPT
• R
• MATLAB
• IKVM
• PYTHON
• POWERSHELL
• AZURE
• S3

21. Type Provider
Games!
Ross McKinlay (@pezi_pink)

22. 2048 – Type Provider
http://www.pinksquirrellabs.com/post/2014/07/03/2048-%E2%80%93-Type-Provider-Edition.

23. MineSweeper
http://pinksquirrellabs.com/post/2014/02/02/The-MineSweeper-Type-Provider.

24. Hello World Type Provider

25. Want to write your own type
provide?
F# Type Provider Starter Pack
https://github.com/fsprojects/FSharp.TypeProviders.StarterP
ack
@mavnn

26. HTTPS://EPA.MS/TYPEPROVID
ERS

27. QUESTIONS?
THANK YOU!
Ask me @sergey_tihon
Ask about #FSharp