ENTRIES TAGGED "functional languages"

Emerging languages spotlight: Elm

Evan Czaplicki on breaking the HTML-CSS-JavaScript blockade with functional reactive programming.

Over the next few months I’ll be taking a look at new and emerging programming languages. The following piece is the first in this series.


The Elm Programming Language, created by Evan Czaplicki, tackles web interaction and takes on the big three — HTML, CSS, and JavaScript. I recently had the pleasure of sitting down with Czaplicki to talk about why he decided to take on this daunting project and how Elm could revolutionize web programming.

Czaplicki was working on a front-end web project and he was thinking about how is it that web development can be “so frustrating in a way it didn’t have to be.” That was the day Elm was born (he talks about that moment in this segment of our video interview).

Today’s websites bear virtually no resemblance to those from 10 years ago, so why are we using the same tools? Cyclical upgrades to HTML, CSS and JavaScript have certainly enhanced and improved upon older versions. HTML5 has taken some great leaps forward. But we’re still using the core.

Coming from a functional programming background led Czaplicki to think about web programming from the perspective of functional reactive programming. What is functional reactive programming? It takes away the idea that interaction between a website and user is static — updating only at certain moments or clicks — and inserts the capability to update as events happen, like mouse movements. Czaplicki gives more detailed insight here. Read more…

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Top Stories: April 30-May 4, 2012

Top Stories: April 30-May 4, 2012

An open standards battle in the U.K., mobile web development keeps growing, the upside of functional languages.

This week on O'Reilly: We learned how the U.K. government is facing pressure from all sides as it evaluates open standards, Maximiliano Firtman evaluated two years' worth of mobile web developments, and the utility of functional languages was put in the spotlight.

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