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// run-rustfix
#![allow(unused, clippy::deref_by_slicing)]
#![warn(clippy::redundant_slicing)]
use std::io::Read;
fn main() {
let slice: &[u32] = &[0];
let _ = &slice[..]; // Redundant slice
let v = vec![0];
let _ = &v[..]; // Ok, results in `&[_]`
let _ = &(&*v)[..]; // Outer borrow is redundant
static S: &[u8] = &[0, 1, 2];
let _ = &mut &S[..]; // Ok, re-borrows slice
let mut vec = vec![0];
let mut_slice = &mut vec[..]; // Ok, results in `&mut [_]`
let _ = &mut mut_slice[..]; // Ok, re-borrows slice
let ref_vec = &vec;
let _ = &ref_vec[..]; // Ok, results in `&[_]`
macro_rules! m {
($e:expr) => {
$e
};
}
let _ = &m!(slice)[..];
macro_rules! m2 {
($e:expr) => {
&$e[..]
};
}
let _ = m2!(slice); // Don't lint in a macro
let slice_ref = &slice;
let _ = &slice_ref[..]; // Ok, derefs slice
// Issue #7972
let bytes: &[u8] = &[];
let _ = (&bytes[..]).read_to_end(&mut vec![]).unwrap(); // Ok, re-borrows slice
}
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