Support macro invocations in match branch position
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A-control-flow
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Description
Sorry if there's already and issue for this, but I couldn't find one.
On many occasions I've wanted to use macros to generate match branches. eg.
match x {
macro_which_outputs_some_branches!(),
Foo::Bar => 23,
}
Is there a reason not to support this?
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
The issue names no files, tests, or entry points to begin with. First clarify the proposed macro syntax and its parser and language-design implications; done would require an accepted design for supporting macro-generated match branches.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100