1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
|
//! Byte string literal patterns use the mutability of the literal, rather than the mutability of
//! the pattern's scrutinee. Since byte string literals are always shared references, it's a
//! mismatch to use a byte string literal pattern to match on a mutable array or slice reference.
//@ dont-require-annotations: NOTE
fn main() {
let mut val = [97u8, 10u8];
match &mut val {
b"a\n" => {},
//~^ ERROR mismatched types
//~| NOTE types differ in mutability
_ => {},
}
match &mut val[..] {
b"a\n" => {},
//~^ ERROR mismatched types
//~| NOTE types differ in mutability
_ => {},
}
}
|