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13 lines
230 B
Rust
13 lines
230 B
Rust
// run-pass
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use std::mem;
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pub struct X([u8]);
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fn _f(x: &X) -> usize { match *x { X(ref x) => { x.len() } } }
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fn main() {
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let b: &[u8] = &[11; 42];
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let v: &X = unsafe { mem::transmute(b) };
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assert_eq!(_f(v), 42);
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}
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