Applying Functional Programming Principles to Your Rails Codebase

An intermediate talk proposed by Erin Swenson-Healey

All the programmers around me seem to have very strong opinions about functional programming. The Internet certainly loves to talk about it. Some of the concepts are interesting – but many of them (at first) don’t seem to apply for those of us writing database-fronting web applications. What can we apply from a world in which side effects are shunned if the majority of what our application is doing is getting stuff out of a database for display on a web page?


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