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Remove Iterator #[rustc_on_unimplemented]s that no longer apply. #85689

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May 27, 2021
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Remove Iterator #[rustc_on_unimplemented]s that no longer apply. #85689

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34 changes: 0 additions & 34 deletions library/core/src/iter/traits/iterator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,40 +25,6 @@ fn _assert_is_object_safe(_: &dyn Iterator<Item = ()>) {}
/// [impl]: crate::iter#implementing-iterator
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_on_unimplemented(
on(
_Self = "[std::ops::Range<Idx>; 1]",
label = "if you meant to iterate between two values, remove the square brackets",
note = "`[start..end]` is an array of one `Range`; you might have meant to have a `Range` \
without the brackets: `start..end`"
),
on(
_Self = "[std::ops::RangeFrom<Idx>; 1]",
label = "if you meant to iterate from a value onwards, remove the square brackets",
note = "`[start..]` is an array of one `RangeFrom`; you might have meant to have a \
`RangeFrom` without the brackets: `start..`, keeping in mind that iterating over an \
unbounded iterator will run forever unless you `break` or `return` from within the \
loop"
),
on(
_Self = "[std::ops::RangeTo<Idx>; 1]",
label = "if you meant to iterate until a value, remove the square brackets and add a \
starting value",
note = "`[..end]` is an array of one `RangeTo`; you might have meant to have a bounded \
`Range` without the brackets: `0..end`"
),
on(
_Self = "[std::ops::RangeInclusive<Idx>; 1]",
label = "if you meant to iterate between two values, remove the square brackets",
note = "`[start..=end]` is an array of one `RangeInclusive`; you might have meant to have a \
`RangeInclusive` without the brackets: `start..=end`"
),
on(
_Self = "[std::ops::RangeToInclusive<Idx>; 1]",
label = "if you meant to iterate until a value (including it), remove the square brackets \
and add a starting value",
note = "`[..=end]` is an array of one `RangeToInclusive`; you might have meant to have a \
bounded `RangeInclusive` without the brackets: `0..=end`"
),
on(
_Self = "std::ops::RangeTo<Idx>",
label = "if you meant to iterate until a value, add a starting value",
Expand Down