I make software that helps people be happy.
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Functions are one of the core building blocks of Elm. In this lesson we learn how to define, call, pass parameters, receive parameters, partially apply functions, compose functions, and add correct type signatures. In this lesson we will show how to define functions with type signatures.
Elm comes with an index of publicly-usable open-source packages. Using packages from this index can substantially improve a developer’s experience. Learn how to find a package through the index, understand its API through type annotations and documentation, download it, and use it in a project.
Notice: This lesson uses Elm 0.17!
This lesson gives a rapid-paced introduction to what's known as the Elm Application Architecture. You can read about it in greater detail here:
We'll build a counter that utilizes the standard Elm combination of a model, a view, and update function.
See the linked code for a good starting place.