effekt
HVM
effekt | HVM | |
---|---|---|
13 | 107 | |
288 | 7,156 | |
2.8% | 2.4% | |
9.7 | 6.7 | |
4 days ago | 2 months ago | |
Scala | Rust | |
MIT License | MIT License |
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effekt
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What the imperative shell of an Functional Core/Imperative Shell language looks like
I like it. Modern languages that distinguish between pure and impure programs like Flix, Koka, and Effekt do so on the type level instead of syntactically. This has three advantages:
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Algebraic Effects: Another mistake carried through to perfection?
The problem with checked exceptions been identified and solved. The same problem and solution applies to effect handlers. Effekt is a language with lexical effect handlers which doesn't have this problem. Consider the following program in Effekt:
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Is continuation passing style conversion still used as an intermediate language?
Yes, for you this is the right decision. But for us going to CPS makes everything significantly easier and in cases where you do use control effects significantly faster. For our language Effekt we are exploring different tradeoffs in different backends.
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The Registers of Rust - Without boats, dreams dry up
This pattern they observe is nicely captured by effect handlers. These examples are written in Effekt.
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An approach to manual memory management and side effect handling system, feedback, ideas and thoughts requested
This is beyond my level of expertise. But effect tracking? There are some cool languages out there that do that consistently! Search for "algebraic effects". My favorite is Koka. Effekt also seems to be a popular choice.
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Let's collect relatively new research programming languages in this thread
https://effekt-lang.org/ A research language with effect handlers and lightweight effect polymorphism
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Is there a garbage collected, statically typed language, that has null safety, and doesn't use exceptions?
Examples are languages like Koka, Effekt, Links, or Unison. These languages come with a type-and-effect system: a function's type not only tell you which values the function accepts and which values it returns, but also which effects it has. This is relevant to your question, because throwing an exception is one such effect.
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The Val Object Model: Template for a possible future Swift object model
It seems that with Effekt we are pursuing the same goal, but coming from the opposite direction, perhaps one day we will meet in the middle :). We start from a purely functional language and carefully add effects like mutation.
- Is there a pure-functional ML?
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"Colored" functions: pure versus impure
- https://effekt-lang.org/
HVM
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SaberVM
Reminds me of HVM[0]
[0]https://github.com/HigherOrderCO/HVM
Really interesting to see how new lang concepts and refinements keep popping up this last decade, between Vale, Gleam, Hylo, Austral...
Linear types really opened up lots of ways to improve memory management and compilation improvements.
- GPU Survival Toolkit for the AI age: The bare minimum every developer must know
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A new F# compiler feature: graph-based type-checking
I have a tangential question that is related to this cool new feature.
Warning: the question I ask comes from a part of my brain that is currently melted due to heavy thinking.
Context: I write a fair amount of Clojure, and in Lisps the code itself is a tree. Just like this F# parallel graph type-checker. In Lisps, one would use Macros to perform compile-time computation to accomplish something like this, I think.
More context: Idris2 allows for first class type-driven development, where the types are passed around and used to formally specify program behavior, even down to the value of a particular definition.
Given that this F# feature enables parallel analysis, wouldn't it make sense to do all of our development in a Lisp-like Trie structure where the types are simply part of the program itself, like in Idris2?
Also related, is this similar to how HVM works with their "Interaction nets"?
https://github.com/HigherOrderCO/HVM
https://www.idris-lang.org/
https://clojure.org/
I'm afraid I don't even understand what the difference between code, data, and types are anymore... it used to make sense, but these new languages have dissolved those boundaries in my mind, and I am not sure how to build it back up again.
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A History of Functional Hardware
Impressive presentation but I find two things missing in particular:
* GRIN [1] - arguably a breakthrough in FP compilation; there are several implementation based on this
* HVM [2] - parallel optimal reduction. The results are very impressive.
[1] https://link.springer.com/chapter/10.1007/3-540-63237-9_19
[2] https://github.com/HigherOrderCO/HVM
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Is the abstraction of lazy-functional-purity doomed to leak?
Purity has nothing to do with memoization. Haskell's semantics never "rewrite under a lambda" (unlike, e.g. HVM). Calling (\_ -> e) () twice will (modulo optimizations) always perform the computation in e twice.
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Can one use lambda calculus as an IR?
The most recent exploration of this, that I'm aware of is HVM (another intermediate language / runtime), although this one is not actually based on the lambda calculus, but on the interaction calculus.
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The Rust I Wanted Had No Future
Then, actually unrelated but worth mentioning: HVM. Finally, something new on the functional front that isn't dependent types!
- The Halting Problem Is Decidable on a Set of Asymptotic Probability One (2006)
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Bachelor Thesis Topic
If you are into functional PL, how about https://github.com/HigherOrderCO/HVM? You could experiment if you could schedule that on a GPU?
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For those of you self taught,how did you cope with distractions while using a computer ?
In the interest of seeking ways of optimizing my code, I stumbled upon http://www.rntz.net/datafun/ as a means to do incremental computations of fixpoints while avoiding redundant work. And also the idea of automatic parallelism achieved by using Interaction Nets as a model of computation https://github.com/HigherOrderCO/HVM.
What are some alternatives?
koka - Koka language compiler and interpreter
Kind - A next-gen functional language [Moved to: https://github.com/Kindelia/Kind2]
Eff - Eff monad for cats - https://atnos-org.github.io/eff
rust-gpu - 🐉 Making Rust a first-class language and ecosystem for GPU shaders 🚧
tofu - Functional programming toolbox
SICL - A fresh implementation of Common Lisp
hylo - The Hylo programming language
Sharp-Bilinear-Shaders - sharp bilinear shaders for RetroPie, Recalbox and Libretro for sharp pixels without pixel wobble and minimal blurring
cooltt - 😎TT
fslang-suggestions - The place to make suggestions, discuss and vote on F# language and core library features
effects-bibliography - A collaborative bibliography of work related to the theory and practice of computational effects
atom - A DSL for embedded hard realtime applications.