# Introduction

> [`Tango.Functional`](https://github.com/gabrielschade/Tango/tree/master/Tango/Tango/Functional)

This namespace has a lot of core implementations focused on the functions of the functional paradigm. These include the extensions methods to cast between the `Action` and`Function` delegates and the ability to perform the processes of Currying and partial application in existing methods.

It is very important to understand the concepts about currying and partial application to take full advantage of this namespace, so it is strongly recommended that you read the [Currying and Partial Application](https://github.com/gabrielschade/tango/tree/379cc4a38ae47796971eb875ec66e7dc053a9081/Concepts/Currying%20and%20Partial%20Application.html) section.

In this section you will find the following topics:

* [Currying](https://github.com/gabrielschade/tango/tree/379cc4a38ae47796971eb875ec66e7dc053a9081/Functional/Currying.html)
* [Partial Application](https://github.com/gabrielschade/tango/tree/379cc4a38ae47796971eb875ec66e7dc053a9081/Functional/PartialApplication.html)
* [Functional Extensions](https://github.com/gabrielschade/tango/tree/379cc4a38ae47796971eb875ec66e7dc053a9081/Functional/FunctionExtensions.html)
* [QuickCast to Delegates](https://github.com/gabrielschade/tango/tree/379cc4a38ae47796971eb875ec66e7dc053a9081/Functional/cast-rapido-para-delegates.html)


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