28 lines
558 B
Rust
28 lines
558 B
Rust
//@ run-pass
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// Ensure that we can do a destructuring bind of a fixed-size array,
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// even when the element type has a destructor.
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struct D { x: u8 }
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impl Drop for D { fn drop(&mut self) { } }
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fn main() {
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fn d(x: u8) -> D { D { x: x } }
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let d1 = foo([d(1), d(2), d(3), d(4)], 1);
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let d3 = foo([d(5), d(6), d(7), d(8)], 3);
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assert_eq!(d1.x, 2);
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assert_eq!(d3.x, 8);
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}
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fn foo([a, b, c, d]: [D; 4], i: usize) -> D {
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match i {
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0 => a,
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1 => b,
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2 => c,
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3 => d,
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_ => panic!("unmatched"),
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}
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}
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