January 2013
Beginner to intermediate
624 pages
17h 18m
English
Content preview from Learn You Some Erlang for Great Good!Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Types (or Lack Thereof)
Modern functional languages are often known for their fancy type systems, which are powerful systems that let programmers obtain more safety and speed while doing less. Static type systems vary a lot—from C- and Java-like systems where annotations are provided to the compiler, to rather complex systems that depend on advanced mathematical concepts to guarantee the crash-free nature of a program. Other type systems are rather crude—not static at all, but dynamic. They give no guarantees about the safety of a piece of software, and just check everything while it runs.
This chapter introduces Erlang’s type system, the reasons behind its use, and how that affects you, as a brand-new Erlang programmer.
Dynamite-Strong ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.