bjoernager/rust
bjoernager/rust
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Structured suggestion for "missing feature intrinsic"

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```
error: `size_of_val` is not yet stable as a const intrinsic
  --> $DIR/const-unstable-intrinsic.rs:17:9
   |
LL |         unstable_intrinsic::size_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(unstable)]` to the crate attributes to enable
help: add `#![feature(unstable)]` to the crate attributes to enable
   |
LL + #![feature("unstable")]
   |
```
This commit is contained in:
Esteban Küber 2024-12-28 18:37:16 +00:00
parent a47fee50bd
commit 7175da59d3
5 changed files with 27 additions and 4 deletions
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9
compiler/rustc_const_eval/src/errors.rs
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@ -123,12 +123,19 @@ pub(crate) struct UnstableConstFn {
#[derive(Diagnostic)]
#[diag(const_eval_unstable_intrinsic)]
#[help]
pub(crate) struct UnstableIntrinsic {
#[primary_span]
pub span: Span,
pub name: Symbol,
pub feature: Symbol,
#[suggestion(
const_eval_unstable_intrinsic_suggestion,
code = "#![feature({feature})]\n",
applicability = "machine-applicable"
)]
pub suggestion: Option<Span>,
#[help(const_eval_unstable_intrinsic_suggestion)]
pub help: bool,
}
#[derive(Diagnostic)]