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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Metaprogramming
Julia has been designed to tackle problems arising in science and statistics. It follows the route of traditional imperative languages. It is not a functional language, such as Haskell, OCaml, and Clojure, but since it incorporates a Scheme interpreter, it is possible to create runtime macros rather than the preprocessor style ones found in C/C++.
Macros are useful in efficiently generating boilerplate code, and we have already made use of the @printf macro, which emulates the C-style printf() function.
If a true functional approach is required, the reader is directed to the Lazy.jl package, which implements lazily evaluated lists plus a library of functions to use them and many well-designed macros. So, to get a grasp of Julia metaprogramming, ...
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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.