Scala SMT Projects
APALACHE: symbolic model checker for TLA+Project mention: A dependently typed language for proofs that you can implement in one day | news.ycombinator.com | 2021-10-01
> How are those types any different than outright stating a behavioral invariant?
Because the behavior of programs can't be verified without executing the program, but types can be checked purely based on syntax. There is way less source code than runtime states of any non-trivial program.
I've asked this same question many times, the TLA+ way is much more expressive and _simpler_. But model checking is a way harder problem than type checking, in general. SMT solvers make this line blurry - in fact, have you heard of the SMT-based model checker for TLA+, [Apalache](https://apalache.informal.systems/)?. I haven't tried it out, but that should be way faster than TLC which just brute forces the state-space exploration.
I'm totally with you about TLA+ style spec properties, but it's a big theoretical hurdle to cross before they could be as efficient as types.
Synthesis of Heap-Manipulating Programs from Separation LogicProject mention: What is the "most declarative" programming language out there? | reddit.com/r/ProgrammingLanguages | 2021-01-04
Not necessarily a bona-fide programming language, but it's hard to get more declarative than formal specifications + program synthesis (such as SuSLik)
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Scala SMT related posts
Apalache Release v0.15.1
1 project | reddit.com/r/tlaplus | 7 Apr 2021
Apalache, a symbolic model checker for TLA+, v0.8.0 is released
1 project | reddit.com/r/tlaplus | 7 Jan 2021
What is the "most declarative" programming language out there?
1 project | reddit.com/r/ProgrammingLanguages | 4 Jan 2021
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