Top 12 immutable-collection Open-Source Projects

• language-ext

  41 6,176 6.9 C#

  C# functional language extensions - a base class library for functional programming

Project mention: The Monad Invasion - Part 2: Monads in Action! | dev.to | 2024-02-27

You probably noticed that .SetName() returns a Either. You may have come across Unit in libraries like MediatR or Language-Ext. It's a simple construct representing a type with only one possible value. We use it as a placeholder for operations that do not return a value but may return another state. In our example, .SetName() is a Command that does not return a value but may fail. Therefore, the monad Either carries two possible states: Right (without value) or Left (with an Error).

• Javaslang

  8 5,534 4.0 Java

  vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

  

• InfluxDB

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  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• Immutables

  6 3,368 7.1 Java

  Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included

  

Project mention: Unchecked Java: Say Goodbye to Checked Exceptions Forever | news.ycombinator.com | 2023-07-13

This is every Lombok lover's favorite strawman argument I've run into.

I've been coding in Java professionally for ~20 years. I can count with zero hands the number of times I've been burned by a getter or setter getting changed into something surprising.

If you really need auto-generated getters/setters/builders - Immutables [1] is a library that does it using bog standard annotation processing rules that don't require hacking your build process.

[1] https://github.com/immutables/immutables

• Eclipse Collections

  9 2,356 8.0 Java

  Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

  

Project mention: Yet another introduction to Functional Programming | dev.to | 2023-07-12

eclipse-collections for Java.

• kotlinx.collections.immutable

  10 1,087 6.9 Kotlin

  Immutable persistent collections for Kotlin

  

Project mention: Is there a way to atomically add to a list and return its index? | /r/Kotlin | 2023-12-08

In Clojure, it is called an Atom. I created my own via AtomicReference and https://github.com/Kotlin/kotlinx.collections.immutable. It works really well in Kotlin. It works especially well if you use tons of coroutines.

• jimmer

  5 630 9.8 Java

  A revolutionary ORM framework for both java and kotlin.

• Paguro

  2 307 0.0 Java

  Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM

• SaaSHub

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• immutable

  0 200 0.0 Crystal

  Thread-safe, persistent, immutable collections for the Crystal language

• pfun

  3 146 6.5 Python

  Functional, composable, asynchronous, type-safe Python.

• purefun

  2 105 9.2 Java

  Functional Programming library for Java

• fsharp-hashcollections

  1 56 3.2 F#

  Library providing fast hash based immutable map and set

  

• java-immutable-collections

  2 41 8.3 Java

  Efficient Immutable/Persistent Collections for Java

immutable-collections related posts

• Is there a way to atomically add to a list and return its index?

  1 project | /r/Kotlin | 8 Dec 2023

• Immutable lists, O(1) prepend/append

  1 project | /r/Kotlin | 10 Jul 2023

• What type of variable contains amutable list?

  1 project | /r/Kotlin | 5 Nov 2022

• what is the best persistent collection library?

  5 projects | /r/java | 2 Sep 2022

• Finally, the kotlin API and External Cache are supported, and my ORM is finished.

  3 projects | /r/Kotlin | 25 Aug 2022

• Limu, a Fast Immutable Lib

  1 project | /r/learnjavascript | 23 Jul 2022

• A benchmark to show you how fast my ORM framework is

  1 project | /r/Kotlin | 18 Jul 2022
• A note from our sponsor - SaaSHub
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