typetools / typetools/checker-framework
Implement @AssertNonNullIfNonNull
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enhancement
- Dominant language
- Java
- Stars
- 1.1k
- Forks
- 440
- Avg merge
- 1d 12h
- Merged PRs (30d)
- 134
Description
Sometimes, it is helpful to know that if a routine returns non-null, then some
other expression is non-null as well. There is a @AssertNonNullIfNonNull
annotation to represent this, but it is not implemented -- it is neither
checked nor used. This issue is a request to implement it.
Original issue reported on code.google.com by michael.ernst@gmail.com on 16 Jan 2011 at 9:56
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
No file, test, or entry point is named. Start by locating the @AssertNonNullIfNonNull annotation and the existing annotation-checking and annotation-use patterns; done means the annotation is both checked and used consistently throughout the framework.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- compilers, devtools
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100