5emel, an experimental compiler developed with Claude Opus 5.5
A developer reports using Claude Opus 5.5 to build an experimental language and compiler, sharing a code excerpt and the project's current scale.
Credits
Earliest dated source: Details reviewed:
The full story
The maker reports developing 5emel over several weeks with Claude Opus 5.5. The Hacker News comment includes a function from the compiler and describes roughly 1,600 lines in the compiler, alongside TypeScript, JavaScript and C components.
The language is experimental. Its maker has not read all of the generated code and frames the wider goal as unfinished; the comment does not provide a public repository or a benchmark proving that goal.
What Claude did
- Experimental language compiler and supporting codeClaude · Opus 5.5 Source ↗
How it was done
Tools
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Sources
From a passing comment or social post, so the details are thin.
- Hacker News: kragen's 5emel compiler report
The maker's dated Hacker News post describing the project.