sixten
pony-tutorial
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sixten | pony-tutorial | |
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5 | 5 | |
748 | 303 | |
- | 2.0% | |
1.8 | 7.0 | |
over 3 years ago | 7 days ago | |
Haskell | Markdown | |
BSD 3-clause "New" or "Revised" License | BSD 2-clause "Simplified" License |
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sixten
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What do Haskellers think about Rust?
Immutable data structures don't necessarily require more memory: they can avoid deep copies. They are also automatically thread safe without expensive (slow) locking mechanisms. They also don't necessarily reduce cache locality. The reduced cache locality in the case of Haskell (I think) mainly comes from the representation of objects in its implementation (improved STG) which uses extensive boxing and jumps that hinder both spatial and temporal locality (require review/comment from GHC/Computer Architecture experts, take it with a grain of salt). Objects can be much more efficiently represented if not for the need to implement lazy (call-by-need) semantics. See sixten and futhark for examples.
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Not well known programming languages with interesting features?
[Sixten](https://github.com/ollef/sixten): functional programming with unboxed data by default.
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Tree Sitter and the Complications of Parsing Languages
I can't answer this well and don't know of any resources, but I have seen it before in the parser for sixten:
https://github.com/ollef/sixten/blob/60d46eee20abd62599badea85774a9365c81af45/src/Frontend/Parse.hs#L458
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What languages have bit struct / field constructs?
Sixten is a language that allows precise control over memory layout of algebraic data types.
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Designing a language where all types are memcpy/blittable.
For something more peripherally related, check out Sixten. Its focus is on using unboxed value representations, which is in spirit close to what you are proposing, and some of its ideas might be good inspiration.
pony-tutorial
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Is there a programming language that will blow my mind?
I don't think that there is a book written about Pony, but the tutorial and the list of patterns (WIP) are all you need to learn the language.
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Not well known programming languages with interesting features?
[Pony](https://tutorial.ponylang.io/): actors, reference capabilities, object capabilities.
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Today, Thanks to this sub Reddit. I discovered 3 awesome new languages....
Pony is a relatively young but interesting language with capabilities-security.
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Does such a language already exist ("Rust--")?
Well, depends on how you define ownership. Pony 's type system has reference capabilities which let you define who's allowed to do what to a reference and part of it sort of deals with ownership (along the lines of "this actor is allowed to do Y to the reference, other actors are allowed to do Z"). You can eg. have methods that return an isolated value that guarantees that there are no other references to that value, meaning it's automatically thread safe. You can also define things as vals which says that they are globally immutable, refs which give the current actor read/write capabilities but can't be shared with other actors
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Flix β Next-generation reliable, concise, functional-first programming language
The alternatives are:
- Division must be impure (because it can throw an exception)
- Division must be partial - i.e. return Option[Int].
Both seem worse compared to defining division by zero as zero. Coq, Lean, and Pony do the same. https://github.com/ponylang/pony-tutorial/blob/master/conten...
What are some alternatives?
atom-focus-mode - Atom editor extension - fades editor content and highlights only the lines you are working on
effekt - A research language with effect handlers and lightweight effect polymorphism
tree-hugger - A light-weight, extendable, high level, universal code parser built on top of tree-sitter
cooltt - πTT
felix - The Felix Programming Language
vscode-theme-alabaster-dark - Dark version of alabaster ported from https://github.com/tonsky/sublime-scheme-alabaster
zz - πΊπ ZetZ a zymbolic verifier and tranzpiler to bare metal C
ante - A safe, easy systems language
io - Io programming language. Inspired by Self, Smalltalk and LISP.
rainbow-identifiers - Rainbow identifier highlighting for Emacs
TablaM - The practical relational programing language for data-oriented applications