Show HN: RealDiff – runtime behavior diffing for pull requests (six languages)

Re:Show HN: RealDiff – runtime behavior diffing for pull req... by ramon156 on Thursday August 27, 2026 @06:05PM (#49471910)

please try speaking in your own words. i still have no idea what this is for. is it two compare two impls? is it to "optimize" a function (i assume not since there's no mutation)?

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Re:Show HN: RealDiff – runtime behavior diffing for pull req... by issacnitin on Friday August 28, 2026 @12:05AM (#49474238)

hi, this is simply put, to compare the behavior diff of two builds. when i say behavior, i mean the return values of functions etc. it'll help with AI-assisted code reviews etc. since AI looks at the text diff only, and misses behavior diff downstream. it complements static analysis and unit tests for a stronger testing strategy.

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