rado
PomPom-Language
| rado | PomPom-Language | |
|---|---|---|
| 1 | 8 | |
| 0 | 186 | |
| - | - | |
| 0.0 | 0.0 | |
| over 2 years ago | over 1 year ago | |
| Idris | Haskell | |
| - | - |
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rado
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A dependently typed language for proofs that you can implement in one day
> in practice, what kind of proof are people building when building real world programs ?
Here's an example of a proof from a Turing machine simulator written in Idris [1]. The claim is that the length of the tape never decreases after taking a step.
The "claim" is stated in the type signature, and the "proof" is an implementation of that type. That's what "propositions as types" means. The whole thing looks like a regular function, except that it doesn't do anything and it never gets called. However, by virtue of having been accepted by the type-checker it verifies the claim about that piece of the program's behavior.
[1] https://github.com/nickdrozd/rado/blob/86790bbb218785e57ea88...
PomPom-Language
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I find the often ML-inspired syntax too high of a bar for most programmers to clear when being introduced to a language.
No, I mean this
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Hacker News top posts: Oct 2, 2021
A dependently typed language for proofs that you can implement in one day\ (39 comments)
- Dependently typed language implementation that is small and easy to follow
- A dependently typed language for proofs that you can implement in one day
- PomPom-Language: A dependently typed language for proofs that you can implement in one day
What are some alternatives?
Formality - A modern proof language [Moved to: https://github.com/kind-lang/Kind]
WebGoat - WebGoat is a deliberately insecure application
apalache - APALACHE: symbolic model checker for TLA+ and Quint
Lightning-Network - List of Lightning Network technical issues, bugs, flaws, and exploits.