coollang-2020-fs
Elm
coollang-2020-fs | Elm | |
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5 | 198 | |
37 | 7,447 | |
- | 0.2% | |
9.2 | 5.4 | |
3 months ago | about 2 months ago | |
F# | Haskell | |
MIT License | BSD 3-clause "New" or "Revised" License |
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coollang-2020-fs
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Course using F#: Write your own tiny programming system(s)
Looks interesting.
Once I saw it's a Czech university course using F#, I knew Tomáš Petříček would be the lecturer :)
A couple years back, I wrote a compiler of tiny-ish scala subset in F# (the code is imperative, though)[1]
[1]: https://github.com/mykolav/coollang-2020-fs
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Compiler of a small Scala subset into x86-64 assembly, in F#
The repo is on github: https://github.com/mykolav/coollang-2020-fs
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Compiling a small Scala subset into x86-64 assembly
Go to the project's repository to explore the source code.
- Compiling a small Scala subset into x86-64 asm
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Compiler Class
You might find [CS 6120: Advanced Compilers: The Self-Guided Online Course][1] interesting. I'm slowly working through it, but basically its focus is intermediate representations, optimizations, etc. A link to the course was on the first page of HN some time ago.
Also -- and you knew it was coming -- I've written a [toy-compiler of a Scala subset][2] myself :)
I'm new to F# and writing compilers, so I'm sure the code is full of rookie mistakes. Still, it works and does generate assembly and executables for Linux and Windows.
[1]: https://www.cs.cornell.edu/courses/cs6120/2020fa/self-guided...
[2]: https://github.com/mykolav/coollang-2020-fs
Elm
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Ludic: New framework for Python with seamless Htmx support
Elm [1] is based on a similar idea. Build your app from pure functions that return HTML tags.
[1] https://elm-lang.org/
- Learning Elm by porting a medium-sized web front end from React (2019)
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Can you make your own JavaScript by implementing ECMAScript standard?
You also wouldn't really be creating your own new programing language. You would be creating something that can run JavaScript by following JavaScript standards and syntax. You might be able to add some non-standard features of your own on top of those standards, or include your own standard library of helpers or utilities, but you can't completely make a new or alternative language and then load it in the browser (or at least not by reimplementing ECMAScript standards... you actually can make your own language that runs within any Javascript enviroment, if you provide an interpreter or compiler that transforms it into valid JS. Some people have done something like this, eg Elm: https://elm-lang.org/).
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What is the best way to present the user the results of Haskell computations?
You should at least have a look at https://elm-lang.org/ it is a pure functional language like Haskell (although with fewer fancy syntax/type classes) but it has some lovely libraries for visualisation and even with plain elm (+ elm-ui) doing string transformations can be easily done.
- Course using F#: Write your own tiny programming system(s)
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Building React Components Using Unions in TypeScript
I get it. However, the whole point of using Unions to narrow your types, ensure only a set of possible scenarios can occur, and only access data of a particular union when it’s safe to do so. That’s some of what pattern matching can provide, and 100% of what using switch statements in TypeScript with their Discriminated Unions can provide. Yes, it’s not 100% exhaustive, but TypeScript is not soundly typed, and even Elm which is still has the same issue TypeScript does: You’re running in JavaScript where anything is possible. So it’s good enough to build with and much better than what you had.
- What's the state of the Elm repo? · Issue #2308 · elm/compiler
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How to render a basic calendar UI in Elm
The beauty of a language like Elm (and other lambda-calculus / functional programming inspired languages) is that there's very little transformation involved in going from an idea to code. And that seems to have a big impact on getting things done.
- Como desenvolvi um backend web em Clojure
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Is it possible to write games like Pac-Man in a functional language?
I think the most fun and approachable way for beginners to build games with functional programming is with Elm [1].
See a few (small, demo) games built by the community in [2] .
Notice Elm has abandoned the FRP approach in favor of Model-View-Update [3].
[1] https://elm-lang.org/
What are some alternatives?
selfie - An educational software system of a tiny self-compiling C compiler, a tiny self-executing RISC-V emulator, and a tiny self-hosting RISC-V hypervisor.
rescript-compiler - The compiler for ReScript.
shecc - A self-hosting and educational C optimizing compiler
haskelm - Haskell to Elm translation using Template Haskell. Contains both a library and executable.
proc - Procedural Intel x86_64 compiler from scratch, inspired by Fortran, Pascal and Assembly.
purescript - A strongly-typed language that compiles to JavaScript
scamp-cpu - A homebrew 16-bit CPU with a homebrew Unix-like-ish operating system.
yew - Rust / Wasm framework for creating reliable and efficient web applications
jet - A Fast C and Python like Programming Language that puts the Developer first. WIP
idris - A Dependently Typed Functional Programming Language
nelua-lang - Minimal, efficient, statically-typed and meta-programmable systems programming language heavily inspired by Lua, which compiles to C and native code.
reflex - Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.