rust-lang / rust-lang/rfcs

Pre-RFC: Rank-N universal quantification (functions / closures)

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Description

I had opened a link on Reddit (here) about rank-N universal quantification but I didn’t get that much of a feedback, so I guess the Pre-RFC will have more inertia here.

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Research direction

Start by reading the rendered Pre-RFC linked in the issue, which covers arbitrary-rank universal quantification for functions and closures. Compare the proposal with the Rust RFC process and determine whether the design has enough feedback and consensus to proceed; completion would require an accepted direction rather than a small code change.

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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
20/100

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