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28 lines
693 B
Rust
28 lines
693 B
Rust
//@ check-pass
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#![allow(unused_variables)]
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#![feature(generic_arg_infer)]
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struct Zeroes;
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impl Into<&'static [usize; 3]> for Zeroes {
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fn into(self) -> &'static [usize; 3] {
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&[0; 3]
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}
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}
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impl Into<[usize; 3]> for Zeroes {
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fn into(self) -> [usize; 3] {
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[0; 3]
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}
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}
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fn main() {
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let [a, b, c] = Zeroes.into();
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let [d, e, f] = <Zeroes as Into<&'static [usize; 3]>>::into(Zeroes);
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let &[g, h, i] = Zeroes.into();
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let [j, k, l]: [usize; _] = Zeroes.into();
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let [m, n, o]: &[usize; _] = Zeroes.into();
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// check the binding mode of these patterns:
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let _: &[usize] = &[a, b, c, g, h, i, j, k, l];
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let _: &[&usize] = &[d, e, f, m, n, o];
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}
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