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ppigazzini/valgebra
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Works.Tested on 2026-10-27. From the README alone, on Linux with Haiku.

What we checked
Does it run from the README?Yes. Running in 11:07 on a clean Linux box.The run
Tested Oct 27, 2026, rev c0ed4c2.
Does it do what the README says?2 of 2 claims held up.Evidence
“Subtyping is set inclusion: bool is a subtype of int”
Expected True, checked by the README example runner. Got checked 214 example(s), 0 failed.
“load parses the JSON and returns the value”
Expected [1, 2, 3], checked by the README example runner. Got checked 214 example(s), 0 failed.
Which setups did we try?Works with Haiku. Unverified with Luna.Setups
Linux / Haiku: works, Oct 27, rev c0ed4c2. Linux / Luna: unverified, Oct 27, rev c0ed4c2.
Needs keys, a login or a browser?No.Details
None seen
Is it safe to run?Made outbound HTTPS connections: yes (hosts not recorded) by <guest-path>What we saw
Review signals across current setups: connection review. 12 listed items (named-host connections, static matches, dependency advisories) are below and do not change this verdict.
Repository processes attempted these non-loopback connections; proxies can hide the final hostname. 8 distinct locations. 2 attributed processes.
OSV reports a known vulnerability in this dependency version. filelock 6 findings.
Reviewed as expected for a test run: attempted writes that failed, so nothing was written.
Reviewed as expected for a test run: attempted writes that failed, so nothing was written; package managers (cargo) downloaded dependencies over HTTPS; package managers (rustup-init) downloaded dependencies over HTTPS; resolver address lookups that send no data; wrote only to its own open file handles.
Full event, path and process lists for each observed setup:
A quiet run is not a safety guarantee.
Is it maintained?Maintained · 1287 commits in 90 days · 0 merged PRs in 90 days · 0 open issues · 0 open PRsActivity
actively maintained: last commit 0 days ago; 1287 commits and 0 merged PRs in 90 days; 0 open issues, 0 open PRs; no releases
Can I show this on my README?Copy the badge.Badge
The run
Oct 27 · rev c0ed4c2Independent test, not endorsed by the project.