rust/tests/ui/const-generics/infer/issue-77092.rs

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use std::convert::TryInto;
fn take_array_from_mut<T, const N: usize>(data: &mut [T], start: usize) -> &mut [T; N] {
(&mut data[start .. start + N]).try_into().unwrap()
}
fn main() {
let mut arr = [0, 1, 2, 3, 4, 5, 6, 7, 8];
for i in 1 .. 4 {
println!("{:?}", take_array_from_mut(&mut arr, i));
//~^ ERROR type annotations needed
}
}