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rust-lang / rfcs Public

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Named `Fn` trait parameters#3955

Open

JonathanBrouwer wants to merge 11 commits intorust-lang:masterrust-lang/rfcs:masterfrom

JonathanBrouwer:named-fn-trait-argumentsJonathanBrouwer/rfcs:named-fn-trait-argumentsCopy head branch name to clipboard

Conversation Commits11 (11)Checks Files changed

Open

Named `Fn` trait parameters#3955
JonathanBrouwer wants to merge 11 commits intorust-lang:masterfrom
JonathanBrouwer:named-fn-trait-arguments

Commits

Commits on Apr 24, 2026

Initial named fn trait arguments RFC
JonathanBrouwer
committed
Rename file
JonathanBrouwer
committed
Fix typo in summary
JonathanBrouwer
committed
Clarify that this change also applies to trait bounds
JonathanBrouwer
committed
Reword the inconsistency drawback
JonathanBrouwer
committed
Mention that names should show up on rustdoc
JonathanBrouwer
committed
Rewrite syntax change in the reference level explanation
JonathanBrouwer
committed

Commits on Apr 25, 2026

Make explicit that this RFC affects all traits with parenthesized generic argument lists
JonathanBrouwer
committed
Clarify that attributes on parameters could be useful
JonathanBrouwer
committed
Fix truncated sentence in rationale about why this needs to be a language change
JonathanBrouwer
committed
Rewrite the reference-level explanation
JonathanBrouwer
committed

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