Smarter returnification of conditional branches
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- Dominant language
- JavaScript
- Stars
- 132
- Forks
- 9
- PR merge metrics
- No merged PRs in 30d
Description
Conditionals like (if), (switch), (try) return their resolved value by assigning it to a reference variable in each branch of execution, and putting this variable after the form. When such a form comes last in a function, we should returnify each branch (prepend a return to the last expression) instead of referencing it and returning the reference.
Contributor guide
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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 files or tests are named. Start by tracing how conditional forms such as if, switch, and try are compiled, then find the handling for a form in final function position. Done means each final branch returns its last expression directly instead of assigning it to a reference and returning that reference.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100