Haskell VS Hack Lang

• Pure Functional Programming
  Haskell emphasizes pure functional programming, meaning functions have no side effects. This leads to code that is easier to understand, test, and maintain.
• Strong Type System
  Haskell's type system is strong and expressive, allowing developers to catch many errors at compile time. This results in more reliable code.
• Lazy Evaluation
  Haskell uses lazy evaluation by default, which can lead to performance improvements by avoiding unnecessary computations and enabling the creation of infinite data structures.
• Immutability
  In Haskell, data is immutable by default. This leads to simpler reasoning about code behavior and reduces bugs related to mutable state.
• High-Level Abstractions
  Haskell provides powerful abstractions like monads, functors, and applicative functors, which can lead to more concise and expressive code.
• Concurrency
  Haskell has excellent support for concurrency and parallelism through its lightweight threading model and software transactional memory, making it suitable for concurrent applications.
• Community and Libraries
  Haskell has a dedicated community and a rich set of libraries and tools, which can help accelerate development and provide solutions to common problems.

Possible disadvantages

• Steep Learning Curve
  Haskell has a steep learning curve, particularly for developers who are new to functional programming or coming from imperative and object-oriented backgrounds.
• Performance Concerns
  While Haskell can be efficient, its performance can sometimes lag behind other languages like C++ or Rust for certain use cases, especially those requiring low-level optimization.
• Limited Industry Adoption
  Haskell is not as widely adopted in industry compared to languages like Java, Python, or JavaScript, which can limit job opportunities and community size.
• Compilation Times
  Haskell's compilation times can be long, especially for large projects, which can slow down the development process.
• Tooling and IDE Support
  While improving, the tooling and IDE support for Haskell is not as mature as for some other popular languages, potentially affecting developer productivity.
• Complexity of Advanced Features
  Some of Haskell's advanced features, such as monads and type-level programming, can be complex and difficult to master, which can be a barrier for new developers.
• Library Gaps
  Although Haskell has many libraries, there might be gaps or less mature libraries for some specific use cases compared to more mainstream languages.

• Static Typing
  Hack adds static typing to PHP, which helps catch type-related errors early and improves code quality and maintainability.
• Async Programming Support
  Hack has built-in support for asynchronous programming, making it easier to write non-blocking, high-performance applications.
• Compatibility with PHP
  Hack is designed to be compatible with existing PHP code, making it easier for developers to transition from PHP to Hack without completely rewriting their codebase.
• Type Annotations
  With type annotations, developers can specify the types of variables, return types of functions, and parameter types, which leads to more readable and self-documenting code.
• Collections API
  Hack provides a rich collections API, which includes various data structures like Vector, Map, and Set, making it easier to work with data in a type-safe way.
• Integrated Development Environment (IDE) Support
  IDE tools like HHVM and Hack development environments provide robust support for Hack, offering features such as autocompletion, real-time type checking, and error detection.

Possible disadvantages

• Limited Ecosystem
  Hack does not have as large an ecosystem of libraries and frameworks as PHP, which might limit third-party integrations and available resources.
• Learning Curve
  For developers coming from PHP or other dynamically-typed languages, there is a learning curve associated with the static typing and other advanced features of Hack.
• Facebook Dependency
  Hack was developed by Facebook and is heavily associated with their infrastructure. This can lead to concerns about its future direction being tightly controlled by a single company.
• Deployment Complexity
  Deploying Hack applications often requires the HipHop Virtual Machine (HHVM), which can add complexity to the deployment process compared to traditional LAMP stack setups.
• Community Support
  Compared to more established languages like PHP, Hack has a smaller community, which may result in fewer tutorials, forums, and community-driven support options.
• Performance Overheads
  While HHVM improves performance for PHP and Hack code, there can still be situations where performance tuning and optimization are necessary to achieve the desired performance.

Functional Programming & Haskell - Computerphile

More videos

Project .hack Series Review! - The Game Collection

More videos

• Is there a programming language that will blow my mind?

  Haskell - a general-purpose functional language with many unique properties (purely functional, lazy, expressive types, STM, etc). You mentioned you dabbled in Haskell, why not try it again? (I've written about 7 things I learned from... Source: over 3 years ago

• Where to go from here?

  Where you go is entirely up to you. According to haskell.org, Haskell jobs are a-plenty. sigh. Source: over 3 years ago

• Haskell.org now has "Get Started" page!

  Should they be part of haskell.org or something else? Source: over 3 years ago

View more

• PHP is Dead (and AI is to blame)

  > Make it a compiled language with virtual machine similar to Java. The times of recursively creating PHP-files to serve PHP-files are dated (*cough Smarty). Compilation with checks and strict typing will increase the code quality... - Source: Hacker News / 17 days ago

• PHP Almost Generics: Guided Journey Through the Official Compile-Time Proposal

  I'm glad that PHP has adopted more and more from Hack, Facebook's once fork and now completely separate language - https://hacklang.org/. It was never going to replace it (Go's success separate from Google has astounded me to be honest)... - Source: Hacker News / about 1 year ago

• Upcoming Hardening in PHP

  Doesn’t Facebook still run most of their backend on Hack[0] (compiled PHP subset)? [0] https://hacklang.org/. - Source: Hacker News / almost 2 years ago

View more