leanprover-community / leanprover-community/lean
Simple programs run for many seconds
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- Dominant language
- C++
- Stars
- 433
- Forks
- 79
- PR merge metrics
- No merged PRs in 30d
Description
Prerequisites
- Put an X between the brackets on this line if you have done all of the following:
- Checked that your issue isn't already filed.
- Specifically, check out the wishlist, open RFCs,
or feature requests.
- Specifically, check out the wishlist, open RFCs,
- Reduced the issue to a self-contained, reproducible test case.
- Checked that your issue isn't already filed.
Description
Simple type programs run for many seconds. For instance, this example runs for many seconds both on the website and when run from the terminal.
Versions
Version: 3.48.0
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Run the linked self-contained example with Lean 3.48.0 both in the Lean web editor and from the terminal, and measure the delay. Trace the implementation area responsible for checking these simple type programs; done means the example no longer takes many seconds in either environment.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100