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33 lines
839 B
Rust
33 lines
839 B
Rust
//@ check-pass
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//@ edition:2021
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use std::array::IntoIter;
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use std::ops::Deref;
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use std::rc::Rc;
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fn main() {
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let array = [0; 10];
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// In 2021, the method dispatches to `IntoIterator for [T; N]`.
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let _: IntoIter<i32, 10> = array.into_iter();
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let _: IntoIter<i32, 10> = Box::new(array).into_iter();
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// The `array_into_iter` lint doesn't cover other wrappers that deref to an array.
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let _: IntoIter<i32, 10> = Rc::new(array).into_iter();
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let _: IntoIter<i32, 10> = Array(array).into_iter();
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// You can always use the trait method explicitly as an array.
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let _: IntoIter<i32, 10> = IntoIterator::into_iter(array);
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}
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/// User type that dereferences to an array.
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struct Array([i32; 10]);
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impl Deref for Array {
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type Target = [i32; 10];
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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