December 2013
Beginner to intermediate
286 pages
5h 46m
English
Content preview from F# for Quantitative FinanceBecome 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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Explaining mutability and immutability
Once a variable is defined to have a particular value, it keeps that value indefinitely. There are exceptions to this, and shadowing can be used to override a previous assignment made within the same scope. Thus, variables in mathematics are immutable. Similarly, variables in F# are immutable with some exceptions.
Immutable variables are default in F#. They are useful because they are thread-safe and easier to reason about. This is one of the reasons you may have heard a lot about immutability recently. The concept is to solve the biggest issues and design flaws of concurrent programming, including shared mutable state. If the values do not change, there is no need to protect them either, which is one of the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.