Fix the f16/f128 feature gates on integer literals
#139294
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f16/f128 feature gate on integer literalsf16/f128 feature gates on integer literals
fmease
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Apr 3, 2025
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Wow, this is bad! Thanks a lot, very good catch! I don't think anyone is relying on this since you can't do a whole lot with them (type names are unstable, library functions except operators and trait impls are unstable). Therefore I'll approve this as is and accept potential breakages. @bors r+ rollup |
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…ure-gate, r=fmease Fix the `f16`/`f128` feature gates on integer literals The feature gating logic for `f16`/`f128` currently only checks float literals, meaning this code currently compiles with no feature gates on stable ([playground](https://play.rust-lang.org/?version=stable&mode=debug&edition=2024&gist=b0c0e285ccb822fc7e2abc595557886b)): ```rust fn main() { let a = 1f16; let b = 1f128; dbg!(a, b); } ``` This PR fixes that. Tracking issue: rust-lang#116909
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#139080 (Experimental feature gate for `super let`) - rust-lang#139145 (slice: Remove some uses of unsafe in first/last chunk methods) - rust-lang#139149 (unstable book: document import_trait_associated_functions) - rust-lang#139273 (Apply requested API changes to `cell_update`) - rust-lang#139282 (rustdoc: make settings checkboxes always square) - rust-lang#139283 (Rustc dev guide subtree update) - rust-lang#139294 (Fix the `f16`/`f128` feature gates on integer literals) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#139080 (Experimental feature gate for `super let`) - rust-lang#139145 (slice: Remove some uses of unsafe in first/last chunk methods) - rust-lang#139149 (unstable book: document import_trait_associated_functions) - rust-lang#139273 (Apply requested API changes to `cell_update`) - rust-lang#139282 (rustdoc: make settings checkboxes always square) - rust-lang#139283 (Rustc dev guide subtree update) - rust-lang#139294 (Fix the `f16`/`f128` feature gates on integer literals) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#139294 - beetrees:fix-f16-f128-literal-feature-gate, r=fmease Fix the `f16`/`f128` feature gates on integer literals The feature gating logic for `f16`/`f128` currently only checks float literals, meaning this code currently compiles with no feature gates on stable ([playground](https://play.rust-lang.org/?version=stable&mode=debug&edition=2024&gist=b0c0e285ccb822fc7e2abc595557886b)): ```rust fn main() { let a = 1f16; let b = 1f128; dbg!(a, b); } ``` This PR fixes that. Tracking issue: rust-lang#116909
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#139080 (Experimental feature gate for `super let`) - rust-lang#139145 (slice: Remove some uses of unsafe in first/last chunk methods) - rust-lang#139149 (unstable book: document import_trait_associated_functions) - rust-lang#139273 (Apply requested API changes to `cell_update`) - rust-lang#139282 (rustdoc: make settings checkboxes always square) - rust-lang#139283 (Rustc dev guide subtree update) - rust-lang#139294 (Fix the `f16`/`f128` feature gates on integer literals) r? `@ghost` `@rustbot` modify labels: rollup
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The feature gating logic for
f16/f128currently only checks float literals, meaning this code currently compiles with no feature gates on stable (playground):This PR fixes that.
Tracking issue: #116909