docs
prusti-dev
docs | prusti-dev | |
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4 | 23 | |
58 | 1,467 | |
- | 1.1% | |
6.2 | 8.5 | |
about 2 months ago | 17 days ago | |
CSS | Rust | |
- | GNU General Public License v3.0 or later |
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docs
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Six programming languages I’d like to see
The interesting semantic relationships are those that let the machine automatically deduce optimizations
> I also like the idea of modifying function definitions at runtime. I have these visions/nightmares of programs that take other programs as input and then let me run experiments on how the program behaves under certain changes to the source code. I want to write metaprograms dammit
Lotta metaprogramming in Joy. Many functions work by building new functions and running them, it's a natural idiom in Joy.
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> A language designed around having first-class GUI support
Red? ( https://www.red-lang.org/ )
> Visual Interface Dialect ... is a dialect of Red, providing the simplest possible way to specify graphic components with their properties, layouts and even event handlers. VID code is compiled at runtime to a tree of faces suitable for displaying.
https://github.com/red/docs/blob/master/en/gui.adoc
> You can’t work with strings, json, sets, or hash maps very well, date manipulation is terrible, you can barely do combinatorics problems, etc etc etc. I want a language that’s terse for everything.
That also sounds like Red.
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Beads: The next generation computer language and toolchain
> They are well funded.
Rebol Technologies went bankrupt, and Rebol is de-facto dead since more than a decade; Red barely manages to get by thanks to a recent crypto spike.
> I would say the languages are very different in the sense that Beads is clearly aimed at graphical interactive software.
So is Red with it's native GUI engine. [1]
> They are so different that it is hard to compare.
Both share the same goal of replacing modern software practices with biased, batteries-included toolchain, varying only in implementation.
> Red being a concatenative language has more in common with FORTH than Algol.
Red is not concatenative in any sense of the word, nor any other language in Rebol family that I know of.
[1]: https://github.com/red/docs/blob/master/en/view.adoc
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One Way to Represent Things
> What if a simpler programming language had first-class representations of a lot more than strings and arrays?
Red lang?
> Where most languages have 6-8 base datatypes, Red has almost 50.
https://github.com/red/docs/blob/master/en/datatypes.adoc
prusti-dev
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Using_Prolog_as_the_AST
> The overall goal would be to figure out classical error conditions like nill pointers deference.
> If I can figure out if a pointer will be nil in some execution branch, there is no reason why a computer cannot do the same.
Note, this is called flow-sensitive typing (also called type narrowing) and I think that typescript does it.
https://en.wikipedia.org/wiki/Flow-sensitive_typing
> I personally would see this as an human race level upgrades. Imagine feeding your code to a CI that spit back something like: "you will have a panic at line 156 when your input is > 4"
A model checker can do that!
See this
https://model-checking.github.io/kani/tutorial-kinds-of-fail...
Other techniques are also possible
https://github.com/viperproject/prusti-dev#quick-example
(Here I could link a lot of things, I just selected two Rust projects to illustrate)
This works better if you are able to provide contracts in your API that says which guarantees you provide. Alternatively, asserts are useful too.
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Programming Languages Going Above and Beyond
You might be interested in the Prusti project, which statically checks for absence of reachable panics, overflows etc. It also allows user-defined specifications such as pre and post-conditions, loop body invariants, termination checking and so on.
https://github.com/viperproject/prusti-dev
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Trying to find a crate that allows you to constrain the value of arguments in various ways via a proc macro
This is called refinement types and prusti might be the project you saw.
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rustc-plugin: A framework for writing plugins that integrate with the Rust compiler
But there's also a lot of exciting work around formal verification like Prusti.
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Is there something like "super-safe" rust?
prusti
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A plan for cybersecurity and grid safety
Efforts: seL4, Project Everest, the Prossimo project of the ISRG, Let's Encrypt, and Prusti for the Rust language
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Prop v0.42 released! Don't panic! The answer is... support for dependent types :)
Wow that sounds really cool! I'm not an expert but does that mean that one day you could implement dependend types or refinement types in Rust as a crate ? I currently only know of tools like: Flux Creusot Kani Prusti
- Prusti: Static Analyzer for Rust
What are some alternatives?
beads-examples - Examples of Beads programs
MIRAI - Rust mid-level IR Abstract Interpreter
power-fx-host-samples - Samples for hosting Power Fx engine.
kani - Kani Rust Verifier
ODS_OpenExposureData - Open data standards curated by Oasis.
Rudra - Rust Memory Safety & Undefined Behavior Detection
letlang - Functional language with a powerful type system.
automem - C++-style automatic memory management smart pointers for D
Graal - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
tectonic - A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.
Lazy - Lazily evaluated (late-binding) definition for Dyalog APL
rust - Empowering everyone to build reliable and efficient software.