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Haskell VS Pyjs

Compare Haskell VS Pyjs and see what are their differences

Haskell logo Haskell

An advanced purely-functional programming language

Pyjs logo Pyjs

pyjs is a Rich Internet Application (RIA) Development Platform for both Web and Desktop.
  • Haskell Landing page
    Landing page //
    2023-05-01

We recommend LibHunt Haskell for discovery and comparisons of trending Haskell projects.

  • Pyjs Landing page
    Landing page //
    2019-09-07

Haskell features and specs

  • 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 of Haskell

  • 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.

Pyjs features and specs

  • Cross-platform Compatibility
    Pyjs allows developers to write a single web application codebase in Python, which can then be compiled into JavaScript. This cross-compilation means the application can run on any device with a web browser, enhancing its reach.
  • Python Syntax
    Developers familiar with Python can leverage their existing knowledge to write web applications without learning JavaScript. This can lead to faster development times and reduced learning curves.
  • Rich Widget Set
    Pyjs offers a rich set of pre-built widgets that can be used to create complex user interfaces easily. This helps in speeding up the development process and ensures consistency across the application.
  • Client-side Execution
    By compiling Python code to JavaScript, Pyjs enables client-side execution of applications, potentially reducing server load and improving user experience through quicker interactions.

Possible disadvantages of Pyjs

  • Performance Overhead
    The extra layer introduced by compiling Python to JavaScript can lead to performance issues, especially for larger applications, as JavaScript is inherently faster and more optimized for web environments.
  • Limited Ecosystem
    Compared to more mature frameworks and libraries in the JavaScript ecosystem, Pyjs has a smaller community and fewer resources available, which can pose challenges in terms of finding support and third-party integrations.
  • Debugging Complexity
    Debugging can become complex as developers must understand both the Python source code and the resulting JavaScript output, making it harder to trace and resolve issues.
  • Stagnant Development
    Pyjs has not seen active development or community engagement compared to other frameworks, which could impact its long-term viability and the availability of updates or security patches.

Analysis of Haskell

Overall verdict

  • Haskell is good for certain types of projects and developers, especially those interested in functional programming and academic exploration. It may not be the best choice for every use case, particularly where performance-critical applications or system-level programming is required, due to its steep learning curve and relatively smaller community compared to more mainstream languages.

Why this product is good

  • Haskell is a purely functional programming language known for its high level of abstraction, robust type system, and lazy evaluation. These features make Haskell an excellent choice for academic research, complex algorithm design, and scenarios where concise and maintainable code is paramount. It encourages a different way of thinking about programming problems, which can lead to more elegant and robust solutions.

Recommended for

  • Developers interested in functional programming paradigms
  • Projects focused on academic research or algorithm development
  • Software requiring high-level abstractions and strong type safety
  • Enthusiasts wishing to learn a different approach to thinking about software design

Haskell videos

Functional Programming & Haskell - Computerphile

More videos:

  • Review - Marloe Haskell Review
  • Review - Marloe Watch Company - Haskell - Watch Review

Pyjs videos

No Pyjs videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Haskell and Pyjs)
Programming Language
90 90%
10% 10
Generic Programming Language
OOP
83 83%
17% 17
Learning Resources
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, Haskell seems to be a lot more popular than Pyjs. While we know about 21 links to Haskell, we've tracked only 1 mention of Pyjs. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Haskell mentions (21)

  • 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 Haskell, and my book is linked at them bottom if you're interested :) ). Source: about 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
  • Haskell.org now has "Get Started" page!
    Haskell.org now has a big purple Get Started button that takes you to a nice short guide (haskell.org/get-started) that quickly provides all the basic info to get going with Haskell. It is aimed for beginners, to reduce choice fatigue and to give them a clear, official path to get going. Source: over 3 years ago
  • dev environment for windows
    I just jumped into the wiki "Write Yourself a Scheme in 48 hours" which looks pretty good. (although some of the text explanation is hard to understand without context).. I used cabal to set up the starter project. Sublime editor seems to work OK and I just use the git Bash shell on windows to compile the program directly on the command line. So maybe this is all good enough for now (?). It seems installing... Source: over 3 years ago
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Pyjs mentions (1)

  • How to actually use python code in browser or application?
    I have a Python program that takes user input from the console and shows some results on the console, and I want the user to be able to type stuff into it instead of pre-recorded runs. How do I do that? I'm not really sure. You could have a copy of Python running on the server and have the front-end communicating with it, but you'd have to be sure it's secured -- there are a lot of dangerous Python commands... Source: almost 5 years ago

What are some alternatives?

When comparing Haskell and Pyjs, you can also consider the following products

Rust - A safe, concurrent, practical language

Transcrypt - Transcrypt is a Python to JavaScript transpiler.

JavaScript - Lightweight, interpreted, object-oriented language with first-class functions

Brython - Brython's goal is to replace Javascript with Python, as the scripting language for web browsers.

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible