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fn main() {
let values: Vec<u8> = vec![1,2,3,4,5,6,7,8];
for &[x,y,z] in values.chunks(3).filter(|&xs| xs.len() == 3) {
//~^ ERROR refutable pattern in `for` loop binding: `&[]` not covered
println!("y={}", y);
//~^ WARN borrow of possibly uninitialized variable: `y`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
}
}
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