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Switch some rustc_on_unimplemented uses to diagnostic::on_unimplemented #139141

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merged 2 commits into from
Mar 31, 2025
Merged

Switch some rustc_on_unimplemented uses to diagnostic::on_unimplemented #139141

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b1bc725
Delete unreacheable `#[rustc_on_unimplemented]`
mejrs Mar 30, 2025
41bee76
use `diagnostic::on_unimplemented` instead
mejrs Mar 30, 2025
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8 changes: 0 additions & 8 deletions library/alloc/src/vec/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3360,10 +3360,6 @@ impl<T: Hash, A: Allocator> Hash for Vec<T, A> {
}

#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_on_unimplemented(
message = "vector indices are of type `usize` or ranges of `usize`",
label = "vector indices are of type `usize` or ranges of `usize`"
)]
impl<T, I: SliceIndex<[T]>, A: Allocator> Index<I> for Vec<T, A> {
type Output = I::Output;

Expand All @@ -3374,10 +3370,6 @@ impl<T, I: SliceIndex<[T]>, A: Allocator> Index<I> for Vec<T, A> {
}

#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_on_unimplemented(
message = "vector indices are of type `usize` or ranges of `usize`",
label = "vector indices are of type `usize` or ranges of `usize`"
)]
impl<T, I: SliceIndex<[T]>, A: Allocator> IndexMut<I> for Vec<T, A> {
#[inline]
fn index_mut(&mut self, index: I) -> &mut Self::Output {
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4 changes: 2 additions & 2 deletions library/core/src/iter/traits/accum.rs
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Expand Up @@ -10,7 +10,7 @@ use crate::num::Wrapping;
/// [`sum()`]: Iterator::sum
/// [`FromIterator`]: iter::FromIterator
#[stable(feature = "iter_arith_traits", since = "1.12.0")]
#[rustc_on_unimplemented(
#[diagnostic::on_unimplemented(
message = "a value of type `{Self}` cannot be made by summing an iterator over elements of type `{A}`",
label = "value of type `{Self}` cannot be made by summing a `std::iter::Iterator<Item={A}>`"
)]
Expand All @@ -31,7 +31,7 @@ pub trait Sum<A = Self>: Sized {
/// [`product()`]: Iterator::product
/// [`FromIterator`]: iter::FromIterator
#[stable(feature = "iter_arith_traits", since = "1.12.0")]
#[rustc_on_unimplemented(
#[diagnostic::on_unimplemented(
message = "a value of type `{Self}` cannot be made by multiplying all elements of type `{A}` from an iterator",
label = "value of type `{Self}` cannot be made by multiplying all elements from a `std::iter::Iterator<Item={A}>`"
)]
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