undefined method: singleton
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- Dominant language
- Ruby
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- 833
- Forks
- 99
- Avg merge
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Description
My environment:
- Ruby 3.1.0
- Rails 7.0.1
- Ubuntu 20.04
I created a simple blog application for the demo and I use VSCode.
When I open any file then the typeprof gem show warning and an error message but the app does not error any.
[warning] superclass is any; Object is used insteadTypeProf
[error] undefined method: singleton(PostsController)#before_actionTypeProf
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Research direction
Reproduce the report with Ruby 3.1.0, Rails 7.0.1, Ubuntu 20.04, and the simple blog application in VSCode. Start by examining TypeProf's diagnostics for PostsController#before_action; done means the false superclass and undefined-method diagnostics no longer appear while the application continues to work.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ruby
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100