LuaLS / LuaLS/lua-language-server
Cannot use generic type in field
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- Dominant language
- Lua
- Stars
- 4.4k
- Forks
- 442
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Description
How are you using the lua-language-server?
Visual Studio Code Extension (sumneko.lua)
Which OS are you using?
MacOS
What is the issue affecting?
Type Checking
Expected Behaviour
That no error is shown.
Actual Behaviour
You receive the error: Undefined type or alias `B`.
Reproduction steps
---@class A<B>
---@field b B
Additional Notes
No response
Log File
No response
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
Reproduce the type-checking error in the LuaLS Visual Studio Code extension using the provided generic class and field declarations. Trace how the language server resolves the generic type alias in this example; done means the snippet no longer reports Undefined type or alias B.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- lua
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100