Web Development with ReasonML

Summing Up

You now know how to create your own variant data types. You can also use option values to work with data that may be invalid without having having null or undefined complicate your life.

We can write a lot of interesting programs at this point, but we have no way of getting user input. That’s the topic for our next chapter, where you’ll find out how to interact with web pages.

Footnotes

[18]

https://reasonml.github.io/api/String.html

[19]

https://bucklescript.github.io/bucklescript/api/Belt.html

[20]

https://en.wikipedia.org/wiki/Currying

[21]

https://reasonml.github.io/docs/en/function#currying

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