Scala is a programming language that integrates the object oriented and functional language features. Scala fuses objectoriented and functional programming in a statically typed programming language. If you have any doubts concerning the behavior of a program written in scala, if you wish to explore all of the most obscure features, or are interested in the expected semantics of the available constructs, this document will address your questions. Learning a functional programming language scala is di cult for rtl designers with limited programming language experience. Create a testing class in the srctestscala directory, in a file named helloworldspec. A handy cheatsheet covering the basics of scala s syntax. Chisel program you are actually writing a scala program, chisel programs produce and manipulate a data structure in scala using a convenient textural language layered on top of scala, chisel makes it possible to create powerful and reusable hardware modules using modern programming language concepts, and. Scala is a javalike programming language which unifies objectoriented and func tional programming. While scala has no known unique vulnerabilities, since scala runs on jvm, jvm issues are also relevant to scala developers. Lex spoon worked on scala for two years as a postdoc with martin odersky. If you prefer using a text editor like emacs, vim, atom, or sublime text, then the best way to compile, test, and run scala code is by using sbt, scalas build tool. We have to use triple equals for equality and for inequality to allow the native scala equals operator to remain usable.
Scala is a modern multiparadigm programming language designed to express common programming patterns in a concise, elegant, and typesafe way. Scala by example learn scala through a series of examples. Scala source code is intended to be compiled to java bytecode, so that the resulting executable code runs on a java virtual machine. This is the most technical and detailed manual concerning the inner working of the scala language. Wherever possible, this guide attempts to detail why a particular style is encouraged and how it relates to other alternatives. Indepth documentation covering many of scalas features. We are working on an updated spec, hopefully in markdown format so that contributions are made simpler. Checkout the scala submodule to the version you want and run the convert. Scala has been designed to interoperate seamlessly with java. Not only is checkmarx able to scan scala source code for the vulnerabilities listed below, cxsast is also able to.
Not sure if this is the place to put this issue, but issues were not activated on s. Indepth documentation covering many of scala s features. Scala is a big language, but you can use it effectively without knowing all of its details intimately. If you need a comprehensive and easy to follow manual for the scala language, the book programming in scala is the canonical reference text. The pdf specification was first published at the same time the first acrobat prod. Types and behavior of objects are described by classes. At some point we will provide a proper reference manual, in addition to more tutorial examples. An explicit definition of the syntax and semantics of the language. To contribute in this repo, please open a pull request from your fork of this repository we do have to ask you to sign the scala cla before we can merge any of your work, to protect its open source nature for more information on building and.
A programming language specification can take several forms, including the following. While syntax is commonly specified using a formal grammar, semantic definitions may be written in natural language e. Programming in scala preprint edition version 2 martin odersky is the creator of the scala language and a professor at epfl in lausanne, switzerland. This is the official repository for the scala programming language standard library, compiler, and language spec how to contribute.
Not sure if this is the place to put this issue, but issues were not activated on i have tried to find. The inorder rocket core has been successfully demonstrated to reach over 1. The tests below uses these values for the examples. If you have any doubts concerning the behavior of a program written in scala, if you wish to explore all of the most obscure features, or are interested in the expected semantics of the available constructs, this document will address your. Pdf an overview of the scala programming language 2. Thats a fairly good question, because in my opinion, there could hardly be programming languages that are more different than go and scala. Scala is compiled to run on the java virtual machine. Checkmarx is the first static analysis tool to support scala. Scala also supports a general notion of pattern matching which can model the alge braic types used in many functional languages.
Scala also supports a general notion of pattern matching which can model the algebraic types used in many functional languages. Scala vs go could people help comparecontrast these on. For reference types, is treated as an alias of the equals method from java. It has exible modular mixincomposition constructs for composing classes and traits section 6. Introduction to scala programming language journaldev. Scala programs, i really appreciate that i dont have to decrypt cstyle type declarations. Scala has uniform and powerful abstraction concepts for both ypes and aluesv section 5. Free pdf download the scala language specification.
This document is a tutorial introduction to chisel constructing hardware in a scala embedded language. Chisel is a hardware construction language embedded in the highlevel programming language scala. An indepth guide on how to write idiomatic scala code. It is neither a precise language reference nor a tutorial.
Your contribution will go a long way in helping us. Confounding the previous point, conceptually separating the embedded chisel hdl from the host language is di cult for new users. There are also several tutorials on scala ailableav 34, 18. Even though i import all the jars as did in java there comes a problem with itext. It shares with these languages most of the basic operators, data ypes, and control structures. Scala, short for scalable language, is a hybrid functional programming language.
X10 is a classbased objectoriented programming language designed for highperformance, highproductivity computing on highend computers supporting. This document describes the second version of the language, which was released in march 2006. I have already done pdf generation from html in java and it worked fine. A handy cheatsheet covering the basics of scalas syntax. Learning a new programming language can be a daunting task, but scala succinctly makes it a simple matter. Scala language spec test cheatsheet scala tutorial. In an educational context, i think students learning scala and also teachers designing scala courses, in addition to a searchable document, would also greatly benefit from a pdf with the language spec readable offline and printable from a paginated format. Scala language hello world spec test scala tutorial. Scala smoothly integrates the features of objectoriented and functional languages. Dont get thrown for a loop, ibm developerworks class action, ibm developerworks functional programming for the object oriented, ibm developerworks scala reference manuals. Scala language testing with scalatest scala tutorial. Then you should get all the pdf files under the pdf folder and the same all the epub files under the epub folder.
Scala reference manuals the scala programming language. The output of chisel verilog is unreadable and slow to simulate. On january 29, 2007, adobe announced its intent to release the full portable document format pdf 1. It has been used to develop several scalable concurrent applications in the recent years. Scala has been developed from 2001 in the programming methods laboratory at epfl. Scala is a functional language in the sense that every function is a value. Flatspec, matchers class helloworldspec extends flatspec with matchers hello world should not be an empty string in val helloworld hello world helloworld should not be. It allows decomposition of objects by pattern matching. There is a formal specification of the scala language, but the lan. X10 is based on stateoftheart objectoriented programming languages and deviates from them only as necessary to support its design goals. An excellent stepbystep introduction to many of the scala features with the help of simple code examples.
Scala is a javalike programming language which uni. An overview of the scala programming language semantic scholar. This manual describes scala, a primitive static scoping, strong static typing, type inferred, functional programming language with. Language this document is intended to outline some basic scala stylistic guidelines which should be followed with more or less fervency. Getting started with scala and sbt on the command line. Author chris rose guides readers through the basics of scala, from installation to syntax shorthand, so that they can get up and running quickly. It is a pure objectoriented language in the sense that every value is an object. Scala has been created by martin odersky and he released the first version in 2003.
It is aimed at the construction of components and component systems. Thanks to brendan oconnor, this cheatsheet aims to be a quick reference of scala syntactic constructions. Scala has a uniform object model, in the sense that everyaluev is an object and every operation is a method call section 3. This book is available in both paper and pdf ebook form. The scala language specification this is the most technical and detailed manual concerning the inner working of the scala language. Scala is a javalike programming language which unifies objectoriented and functional programming. This programming language was developed by martin odersky and released in 2003. Scala is also a functional language in the sense that functions are rstclass aluesv section 4. Designed to be concise, many of scalas design decisions aimed to address criticisms of java. Scala has uniform and powerful abstraction concepts.
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