Tuesday 20 February 2018 photo 13/15
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Scala twitter style guide: >> http://wok.cloudz.pw/download?file=scala+twitter+style+guide << (Download)
Scala twitter style guide: >> http://wok.cloudz.pw/read?file=scala+twitter+style+guide << (Read Online)
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Twitter's Effective Scala Guide. Contribute to effectivescala development by creating an account on GitHub.
When possible, use scala.collection.breakOut to avoid producing and converting intermediate collections with .toMap , .toSeq , .toSet , etc. // Produces an intermediate Seq[(String, Int)] and converts it to Map[String, Int] val bad = Seq("Toronto", "New York", "San Francisco").map(s => (s, s.length)).toMap // No intermediate
Scala school started as a series of lectures at Twitter to prepare experienced engineers to be productive Scala programmers. Scala is a relatively new language, but draws on Experience in Java is not expected. Focus will be on the interpreter and the object-functional style as well as the style of programming we do here.
While working for Google, we had for each programming language a comprehensive style guide that dictated to us which language features are approved and which are not. For example, see . The ones followed by Twitter and instructed to its employees are described in Twitter's Scala School, especially in latter chapters.
In doing so, I've formed a few thoughts and opinions about how to effectively work in the Scala language. A lot of these thoughts and opinions are already very well describe in the excellent "Twitter Effective Scala", after which this gist is cheekily named, and from the Scala Style Guide. I haven't gone anywhere near as far
27 Jan 2015 Effective Scala by Twitter. Effective Scala is an extensive guide. It follows Twitter's particular taste of Scala, including what APIs to use and features to overlook when writing Scala code. Fundamentally, it started from the official scala style guide and has very few conflicting opinions. It was written By Marius
15 Feb 2012 The Effective Scala guide is a series of short essays, a set of "best practices" learned from using Scala inside Twitter. Collections: Hierarchy, Use, Style, Performance, Java Collections; Concurrency: Futures, Collections; Control structures: Recursion, Returns, for loops and comprehensions, require and
This document is intended to outline some basic Scala stylistic guidelines which should be followed with more or less fervency. Wherever possible, this guide attempts to detail why a particular style is encouraged and how it relates to other alternatives. As with all style guides, treat this document as a list of rules to be broken
When do we employ “purely functional style", and when do we avoid it? In other words: what have we found to be an effective use of the language? This guide attempts to distill our experience into short essays, providing a set of best practices. Our use of Scala is mainly for creating high volume services that form distributed
When implicits are used, we must ensure that another engineer who did not author the code can understand the semantics of the usage without reading the implicit definition itself. Implicits have very complicated resolution rules and make the code base extremely difficult to understand. From Twitter's Effective Scala guide:
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