Test "tutorial/103_etaRuleK"
Expected: ✋ reject · Size: 6.5 KB · Lines: 121 · lean4export: 3.1.0 · Lean: 4.27.0-rc1 · 📄 Declaration · 🔗 Source
Corner case for function eta: Does a defeq between a partially applied recursor with rule k and a free variable trigger eta expansion?
Taking the official kernel as the specification, the answer is no. See https://github.com/leanprover/lean4/issues/12520 for a discussion.
| Checker | Result | ⏱️ | 🧠 | ||
|---|---|---|---|---|---|
| nanoda | ✋ | 2 ms | 2.9 MB | ||
| nanobruijn | ✋ | 5 ms | 10.9 MB | ||
| official-nightly | ✋ | 33 ms | 57.2 MB | ||
| official | ✋ | 33 ms | 66.2 MB | ||
| official-v4.28.0 | ✋ | 39 ms | 71.3 MB | ||
| lean4lean | ✋ | 98 ms | 95.6 MB | ||
| mini | ✋ | 39 ms | 70.3 MB | ||
| always-decline | 🚫 | 1 ms | 2.8 MB | ||
| always-reject | ✋ | 1 ms | 2.8 MB | ||
| rpylean | ✋ | 2 ms | 6.6 MB | ||
| parse-only | 👍 | 38 ms | 70.0 MB | ||
| always-accept | 👍 | 1 ms | 2.8 MB |