Six approaches to dependency injection

F# Advent Calendar is a long tradition in F# community F# Advent Calendar in English: 2019, 2018, 2017, 2016, 2015, 2014 F# Advent Calendar (in Japanese): 2020, 2019, 2017, 2016, 2015, 2014, 2013, …

One of the questions around how to write F# is how do we compose bigger business applications. In C# you generally use constructor injection.

This post is a continuation of Unclean architecture.