Change DST syntax: type -> Sized? #15521
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closes rust-lang#13367 [breaking-change] Use `Sized?` to indicate a dynamically sized type parameter or trait (used to be `type`). E.g., ``` trait Tr for Sized? {} fn foo<Sized? X: Share>(x: X) {} ```
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r? anyone? |
bors
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closes #13367 [breaking-change] Use `Sized?` to indicate a dynamically sized type parameter or trait (used to be `type`). E.g., ``` trait Tr for Sized? {} fn foo<Sized? X: Share>(x: X) {} ```
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FWIW the |
matthiaskrgr
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Dec 22, 2023
…, r=compiler-errors Rid the AST & HIR pretty printer of cruft Found while working on rust-lang#119163. For `trait Trait: ?Sized {}` (semantically malformed), we currently output `trait Trait for ? Sized {}` (sic!) / `trait Trait for ? Sized { }` (sic!) if `-Zunpretty=expanded` / `-Zunpretty=hir` is passed. `trait Tr for Sized? {}` (rust-lang#15521) and later also `trait Tr for ?Sized {}` (I guess, rust-lang#20194) is former Rust syntax. Hence I'm removing these outdated branches. ~~This will conflict with rust-lang#119163, therefore marking this PR as blocked.~~ Rebased
rust-timer
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Dec 22, 2023
Rollup merge of rust-lang#119169 - fmease:pretty-yeet-syntactic-cruft, r=compiler-errors Rid the AST & HIR pretty printer of cruft Found while working on rust-lang#119163. For `trait Trait: ?Sized {}` (semantically malformed), we currently output `trait Trait for ? Sized {}` (sic!) / `trait Trait for ? Sized { }` (sic!) if `-Zunpretty=expanded` / `-Zunpretty=hir` is passed. `trait Tr for Sized? {}` (rust-lang#15521) and later also `trait Tr for ?Sized {}` (I guess, rust-lang#20194) is former Rust syntax. Hence I'm removing these outdated branches. ~~This will conflict with rust-lang#119163, therefore marking this PR as blocked.~~ Rebased
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closes #13367
[breaking-change] Use
Sized?to indicate a dynamically sized type parameter or trait (used to betype). E.g.,