November 2016
Intermediate to advanced
697 pages
14h 44m
English
Content preview from Julia: High Performance ProgrammingBecome 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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Closures and anonymous functions
We saw how important functions are in idiomatic Julia code. While not a pure functional language, Julia shares many features with such languages. In particular, functions in Julia are first class entities, and they can passed around to other functions to create higher-order functions. A canonical example of such a higher-order function is the map function, which evaluates the given function over each element of the provided collection.
As you would expect from a language with these functional features, it is also possible to create closures and anonymous functions in Julia. Anonymous functions, as the name suggests, are functions without a name, and they are usually created at the point where they are passed in ...
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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.