Introduction to Functional Programming in F# - Table of Contents

by Ian Russel | Data Analyst/Architect/Developer

Introduction

This series of posts will introduce you to the world of functional programming (FP) in F#. Rather than start with theory or formal definitions, we will look at some typical business problems and explore how we can use some of the exciting functional programming features in F# to solve them.

No previous experience of functional programming or F# are required.

Post Listing

  • Part 1 -> A worked example showing a few exciting F# features

  • Part 2 -> Function composition

  • Part 3 -> Option and Result modules

  • Part 4 -> More function composition and unit tests

  • Part 5 -> Collections and immutability

  • Part 6 -> Sequence expressions

  • Part 7 -> Active patterns

  • Part 8 -> Using active patterns for validation

  • Part 9 -> Type alias and single case discriminated union

  • Part 10 -> Object programming

  • Part 11 -> Recursion

  • Part 12 -> Computation expressions

More Reading

8/10/20
Blog 5/18/22

Introduction to Functional Programming in F#

Dive into functional programming with F# in our introductory series. Learn how to solve real business problems using F#'s functional programming features. This first part covers setting up your environment, basic F# syntax, and implementing a simple use case. Perfect for developers looking to enhance their skills in functional programming.
Blog 10/1/22

Introduction to Functional Programming in F# – Part 4

Unlock F# collections and pipelines. Manage data efficiently and streamline your functional programming workflow with these powerful tools.
Blog 12/22/22

Introduction to Functional Programming in F# – Part 7

Explore LINQ and query expressions in F#. Simplify data manipulation and enhance your functional programming skills with this guide.
Blog 9/13/22

Introduction to Functional Programming in F# – Part 2

Explore functions, types, and modules in F#. Enhance your skills with practical examples and insights in this detailed guide.
Blog 10/11/22

Introduction to Functional Programming in F# – Part 5

Master F# asynchronous workflows and parallelism. Enhance application performance with advanced functional programming techniques.
Blog 5/17/23

Introduction to Functional Programming in F# – Part 10

Discover Agents and Mailboxes in F#. Build responsive applications using these powerful concurrency tools in functional programming.
Blog 7/12/23

Introduction to Functional Programming in F# – Part 11

Learn type inference and generic functions in F#. Boost efficiency and flexibility in your code with these essential programming concepts.
Blog

Functional Validation in F# Using Applicatives

Learn how to implement functional validation in F# using applicatives. Handle multiple errors elegantly with Railway-Oriented Programming and concise functional patterns.
Blog 3/10/21

Introduction to Web Programming in F# with Giraffe – Part 1

In this series we are investigating web programming with Giraffe and the Giraffe View Engine plus a few other useful F# libraries.
Blog 3/11/21

Introduction to Web Programming in F# with Giraffe – Part 2

In this series we are investigating web programming with Giraffe and the Giraffe View Engine plus a few other useful F# libraries.
Blog 3/12/21

Introduction to Web Programming in F# with Giraffe – Part 3

In this series we are investigating web programming with Giraffe and the Giraffe View Engine plus a few other useful F# libraries.
Blog 9/15/22

Introduction to Functional Programming in F# – Part 3

Dive into F# data structures and pattern matching. Simplify code and enhance functionality with these powerful features.
Blog 12/22/22

Introduction to Functional Programming in F# – Part 6

Learn error handling in F# with option types. Improve code reliability using F#'s powerful error-handling techniques.
Blog 3/22/23

Introduction to Functional Programming in F# – Part 8

Discover Units of Measure and Type Providers in F#. Enhance data management and type safety in your applications with these powerful tools.
Blog 3/22/23

Introduction to Functional Programming in F# – Part 9

Explore Active Patterns and Computation Expressions in F#. Enhance code clarity and functionality with these advanced techniques.
Blog 8/8/23

Introduction to Functional Programming in F# – Part 12

Explore reflection and meta-programming in F#. Learn how to dynamically manipulate code and enhance flexibility with advanced techniques.
Blog 11/30/22

Introduction to Partial Function Application in F#

Partial Function Application is one of the core functional programming concepts that everyone should understand as it is widely used in most F# codebases.In this post I will introduce you to the grace and power of partial application. We will start with tupled arguments that most devs will recognise and then move onto curried arguments that allow us to use partial application.

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Function Composition in F# with Unfriendly Functions

Explore how to handle unfriendly library functions in F# by using wrappers, higher-order functions, or inline solutions to keep pipelines clean and functional.
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Introduction of Jira to Hamburger Hochbahn

The Hamburger Hochbahn AG controls the development of its new mobility platform "Switchh" via the Atlassian project management tool Jira – introduced, administered and hosted by the TIMETOACT GROUP.
Blog 5/1/21

Ways of Creating Single Case Discriminated Unions in F#

There are quite a few ways of creating single case discriminated unions in F# and this makes them popular for wrapping primitives. In this post, I will go through a number of the approaches that I have seen.

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