What is Scala syntactic sugar?
Scala also comes with its own syntactic sugar that can be applied in a lot of places: sequences, functions or conversion. This post presents the syntactic sugar in Scala. It’s divided in 5 parts where each one presents use cases hidden behind the symboles.
Does twitter still use Scala?
Scala is one of the main application programming languages used at Twitter. Much of our infrastructure is written in Scala and we have several large libraries supporting our use. While highly effective, Scala is also a large language, and our experiences have taught us to practice great care in its application.
What is cats in Scala?
Cats is a library which provides abstractions for functional programming in the Scala programming language. The name is a playful shortening of the word category. A broader goal of Cats is to provide a foundation for an ecosystem of pure, typeful libraries to support functional programming in Scala applications.
What is Functional Programming in Scala?
Scala lets you write code in an object-oriented programming (OOP) style, a functional programming (FP) style, and even in a hybrid style, using both approaches in combination. Functional programming is a style of programming that emphasizes writing applications using only pure functions and immutable values.
What does _* mean in Scala?
: _* is a special instance of type ascription which tells the compiler to treat a single argument of a sequence type as a variable argument sequence, i.e. varargs. It is completely valid to create a Queue using Queue.
Is Netflix still using Scala?
Netflix, the largest movie and TV Show streaming site, is no exception for using Scala in its architecture and design. As the officials of the company claim, Scala plays it out well with the Netflix Platform and the JVM Ecosystem, while simultaneously allowing for borrowing the existing Groovy and Java code.
Does Scala have a future?
Future represents a result of an asynchronous computation that may or may not be available yet. When we create a new Future, Scala spawns a new thread and executes its code. Once the execution is finished, the result of the computation (value or exception) will be assigned to the Future.
What is Scala Zio?
ZIO is a zero-dependency Scala library for asynchronous and concurrent programming. Powered by highly-scalable, non-blocking fibers that never waste or leak resources, ZIO lets you build scalable, resilient, and reactive applications that meet the needs of your business.
What is shapeless Scala?
Shapeless is a type class and dependent type based generic programming library for Scala. You may use it to have more “precise” types, like statically sized list (lists which size is known at compile time), you may also use HList as a better tuple.
What does :+ mean in Scala?
On Scala Collections there is usually :+ and +: . Both add an element to the collection. :+ appends +: prepends. A good reminder is, : is where the Collection goes. There is as well colA ++: colB to concat collections, where the : side collection determines the resulting type.
Who is the creator of the refined Scala library?
It started as a port of the refined Haskell library by Nikita Volkov (which also provides an excellent motivation why this kind of library is useful). The idea of expressing constraints at the type-level as Scala library was first explored by Flavio W. Brasil in bond.
Where does the sugar in refined sugar come from?
Call (877) 402-5687 or chat with a member of our team. Refined sugar comes from sugar cane or sugar beets, which are processed to extract the sugar. It is typically found as sucrose, which is the combination of glucose and fructose.
What makes refined a typelevel project in Scala?
The following people have helped making refined great: refined is a Typelevel project. This means we embrace pure, typeful, functional programming, and provide a safe and friendly environment for teaching, learning, and contributing as described in the Scala Code of Conduct.
How is golden sugar extracted in sugar refining?
This golden sugar is then purified, where these plant fibers and molasses are removed, extracting the sugar molecules from the non-sugar materials and restoring the sugar crystals to their natural white color. Most of the non-sugar materials generated in sugar processing are used for other purposes, recycled or reused.