JetBrains / JetBrains/arend-lib

Not intuitive error message of mcases tactic.

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#71 0 comments 0 reactions 2 assignees Claimed by @part-xx View on GitHub
meta usability-problem
Dominant language
Java
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85
Forks
23
PR merge metrics
No merged PRs in 30d

Description

If the user forgets to surround mcases tactic with parentheses he won't get an error message.
Instead he will get "missing clauses" message (despite the fact that clauses are present and no syntactic error is reported!)

![image](https://github.com/user-attachments/assets/b6cb4335-c9bb-4cf5-b9a5-4393d2f5581e)

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