Avoid invalid NaN lint machine-applicable suggestion in const context #114486
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r? @davidtwco (rustbot has picked a reviewer for you, use r? to override) |
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I wonder if we should just see what's blocking stabilizing |
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Well in that case, shouldn't we just be suggesting nothing? I don't think turning this into a help that still tells folks to use the same fn is the right solution. |
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It's a bit unsatisfying to not have any suggestion for const context, but I agree, better suggest nothing than suggest functions that have no plan to stabilization in the short or medium term. Updated the PR to completely remove the suggestion. |
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Aug 6, 2023
| e: &hir::Expr<'_>, | ||
| l: &hir::Expr<'_>, | ||
| r: &hir::Expr<'_>, | ||
| f: impl FnOnce(Span, Span) -> InvalidNanComparisonsSuggestion, | ||
| ) -> InvalidNanComparisons { | ||
| let suggestion = | ||
| let suggestion = (!cx.tcx.hir().is_inside_const_context(e.hir_id)).then(|| { |
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nit: this is a somewhat confusing way of avoiding an if statement 😅
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@bors r+ rollup |
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…iaskrgr Rollup of 4 pull requests Successful merges: - rust-lang#114486 (Avoid invalid NaN lint machine-applicable suggestion in const context) - rust-lang#114503 (Remove invalid lint when there is a generic argument in prefix path) - rust-lang#114509 (Migrate GUI colors test to original CSS color format) - rust-lang#114524 (Also ICE when goals go from Ok to Err in new solver) r? `@ghost` `@rustbot` modify labels: rollup
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…sify, r=RalfJung Stabilize `const_float_classify` Tracking issue: rust-lang#72505 Also reverts rust-lang#114486 Closes rust-lang#72505 Stabilized const API: ```rust impl f32 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } impl f64 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } ``` cc `@rust-lang/wg-const-eval` `@rust-lang/libs-api`
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…alfJung Stabilize `const_float_classify` Tracking issue: rust-lang/rust#72505 Also reverts rust-lang/rust#114486 Closes rust-lang/rust#72505 Stabilized const API: ```rust impl f32 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } impl f64 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } ``` cc `@rust-lang/wg-const-eval` `@rust-lang/libs-api`
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…alfJung Stabilize `const_float_classify` Tracking issue: rust-lang/rust#72505 Also reverts rust-lang/rust#114486 Closes rust-lang/rust#72505 Stabilized const API: ```rust impl f32 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } impl f64 { pub const fn is_nan(self) -> bool; pub const fn is_infinite(self) -> bool; pub const fn is_finite(self) -> bool; pub const fn is_subnormal(self) -> bool; pub const fn is_normal(self) -> bool; pub const fn classify(self) -> FpCategory; pub const fn is_sign_positive(self) -> bool; pub const fn is_sign_negative(self) -> bool; } ``` cc `@rust-lang/wg-const-eval` `@rust-lang/libs-api`
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This PR removes the machine-applicable suggestion in const context for the
invalid_nan_comparisionlintand replace it with a simple help.Fixes #114471