• Spata for stream-based CSV processing

• zio-apache-parquet for typesafe processing of Parquet files

• yaml4s for YAML parsing and printing

• zio-lmdb for managing high-performance embedded key-value stores

• Tranzactio for seamless integration between Doobie and ZIO

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Fortunately, the Scala open-source ecosystem offers superior alternatives for API development. Libraries like Tapir, Endpoints4s and ZIO HTTP enable developers to define endpoints at a higher level. With these solutions, developers can declare their endpoints in a high-level manner, eliminating the need to handle decoding and encoding. Additionally, they provide benefits like OpenAPI documentation and type-safe clients for free.

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In this presentation at ZIO World 2023, I've introduced a new and exciting feature of ZIO HTTP. With it, you will be able to easily access your API through an automatically-generated command-line interface. Testing and accessing your API will become a breeze, with rich features such as:

• Comprehensive help pages

• Data validation

• Auto-completion

• Spelling correction.

Say goodbye to the struggles of the past and embrace a new, easy, and joyful way of testing and calling your API from the command-line!

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• Flexible subcommands

• Options

• Arguments

• Validations

• Documentation pages

In this presentation at Functional Scala 2022, I've shown how to easily build beautiful command-line applications that your users will love. Using ZIO CLI, your command-line applications will support:

• All types of command-line parameters

• Perform both Pure and Impure validation

• Generate beautiful short and long documentation pages

• Support auto-correction plus auto-completion

Discover how you can have fun creating beautiful command-line apps that delight your users!

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• Conceptos básicos de Programación Funcional

• Diferencias entre Programación Funcional y Programación Orientada a Objetos

• Beneficios de la Programación Funcional

• Qué es un Efecto Funcional

• Conceptos básicos de ZIO

• Cómo implementar un juego de Tres en Línea usando ZIO 2.0

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So-called newtype libraries have stepped up to the challenge, making it easier to model data precisely using runtime validation. However, newtype libraries aren’t able to validate constants at compile-time.

Enter ZIO Prelude Smart Types, which make it simple to model data types precisely, without any boilerplate, runtime overhead, or compile-time overhead. ZIO Prelude Smart Types work at compile-time and runtime, and they have a uniform API across Scala 2 & 3.

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Java nos ofrece varias herramientas bajo el paquete java.util.concurrent que nos permiten desarrollar aplicaciones concurrentes, pero dichas herramientas son de muy bajo nivel; lo cual significa que trabajar con ellas es, en general, una tarea muy complicada; pues uno necesita pensar muy detenidamente en lo que se está haciendo para evitar típicos problemas como condiciones de carrera o los muy temidos deadlocks. Y seamos honestos, pensar en todos los posibles escenarios que podrían presentarse en un ambiente de producción no es solamente difícil, sino incluso inviable en muchas ocasiones.

Por otro lado, en el mundo de Scala, tenemos a nuestra disposición una librería llamada ZIO, la cual nos da superpoderes para construir aplicaciones que sean asíncronas, concurrentes, resilientes, eficientes y fáciles de testear, permitiéndonos ser al mismo tiempo más productivos, lo cual se traduce en poder resolver problemas con menos esfuerzo, con menor costo de mantenimiento y con más fuertes garantías en tiempo de compilación.

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Historically, type classes in functional programming have been very complex and confusing, partially because they import ideas from Haskell that don't make sense in Scala, and partially because of their esoteric origins in category theory.

In this presentation, I've introduced ZIO Prelude, which offers a distinctly Scala take on Functional Abstractions, and you will learn how you can eliminate common types of boilerplate by using it.

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