pen
The parallel, concurrent, and functional programming language for scalable software development (by pen-lang)
bluebird
A work-in-progess programming language modeled after Ada and C++ (by csb6)
pen | bluebird | |
---|---|---|
10 | 11 | |
439 | 25 | |
0.2% | - | |
9.5 | 0.0 | |
6 days ago | over 1 year ago | |
Rust | C++ | |
Apache License 2.0 | GNU Affero General Public License v3.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
pen
Posts with mentions or reviews of pen.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-07-03.
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Announcing the Pen programming language v0.4
The Pen programming language is a new parallel, concurrent, statically typed, functional programming language. I'm excited to announce its v0.4 release here!
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Implementing the Perceus reference counting GC
In this post, I describe my experience and some caveats about implementing and gaining benefits from the Perceus RC. I've been developing a programming language called Pen and implemented a large part of the Perceus RC there. I hope this post helps someone who is implementing the algorithm or even deciding if it's worth implementing it in their own languages.
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January 2022 monthly "What are you working on?" thread
I'm a developer of the Pen programming language. Since the last v0.3 release, many features have been implemented including async/await and concurrent runtime.
- Pen: A programming language for scalable development
- GitHub - pen-lang/pen: The programming language for scalable development
- Pen: The programming language for scalable development
- Pen: The new statically typed functional programming language inspired by Go
- The new statically typed functional programming language inspired by Go
- The new functional programming language inspired by Go
bluebird
Posts with mentions or reviews of bluebird.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-01-01.
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Asking for opinions on the best way to specify an exclusive range in a for-loop
0 upto n and 0 thru n. I think I saw it in Bluebird first and really liked it.
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Tips for implementing an AST
Instead of the classic visitor pattern, I found it easier to create a class that basically wraps a big switch statement that switches on an enum representing the kind of expression. You pass it an expression, and based on the enum returned by its kind() function you downcast the expression into the subclass you need. The code is here for reference. My AST code is here.
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January 2022 monthly "What are you working on?" thread
I am working some again on my Ada-like language bluebird. I am making another attempt to use MLIR as an intermediate IR between the AST and LLVM IR (I made a brief attempt a few months ago just to look into it).
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September 2021 monthly "What are you working on?" thread
I fworked some more towards adding pointers on my Ada-like programming language bluebird. I've finished adding pointer types and variables (as well as the operators for dereferencing/getting the address of objects), but I still need to add the ability to dereference and assign.
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July 2021 monthly "What are you working on?" thread
I started to experiment with using MLIR to write a high-level IR for my language bluebird, which will hopefully reduce the work of implementing features I want to add such as generics and ranges, as well as allowing me to eventually write some optimizations. I am also considering rewriting my AST as an MLIR dialect, since MLIR provides a bunch of type-checking/error printing/support infrastructure.
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June 2021 monthly "What are you working on?" thread
I continued implementing support for references (a restricted form of pointers) in my Ada-like language bluebird. I also am working on adding a cleanup pass between my parser/typechecker to handle stuff like type resolution of literals and constant folding.
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May 2021 monthly "What are you working on?" thread
I didn’t add too many new features to my Ada-like language bluebird this month because of lots of projects/school stuff.
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LLVM’s New Pass Manager
Here is a link to my optimizer pass setup for reference. This is just a simple optimization pipeline (I think clang has a setup where optimization stages are re-run multiple times to take advantage of inlining making more optimizations possible).
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March 2021 monthly "What are you working on?" thread
I made some more progress on bluebird, my Ada-like language.
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February 2021 monthly "What are you working on?" thread
I continued to make progress on the compiler for my Ada-inspired language bluebird. I will have less time to spend on it as classes began earlier last month, but I still hope to continue working on it. Things are getting to the point where adding a new feature isn’t as difficult as it was when doing so often meant writing the supporting code from nothing.
What are some alternatives?
When comparing pen and bluebird you can also consider the following projects:
koka - Koka language compiler and interpreter
starlight - JS engine in Rust
artichoke - 💎 Artichoke is a Ruby made with Rust
Cwerg - The best C-like language that can be implemented in 10kLOC.
Argon - Argon programming language
durin - the Dependent Unboxed higher-oRder Intermediate Notation
konna - A fast functional language based on two level type theory
pika - A WIP little dependently-typed systems language
gluon - A static, type inferred and embeddable language written in Rust.
Matrix - Easy-to-use Scientific Computing library in/for C++ available for Linux and Windows.
ric-script - A modern scripting language; implemented in old school C, yacc & flex
boring-lang - A very boring programming language