be8160878a
* remove a 'ERROR' comment from `borrow` `Vec<AtomicUsize>` itself is `Freeze` as it holds the atomic in heap * remove `ONCE_INIT` from `declare` it seems like an artifact from previous spliting
34 lines
1 KiB
Rust
34 lines
1 KiB
Rust
#![warn(clippy::declare_interior_mutable_const)]
|
|
|
|
use std::borrow::Cow;
|
|
use std::cell::Cell;
|
|
use std::fmt::Display;
|
|
use std::sync::atomic::AtomicUsize;
|
|
use std::sync::Once;
|
|
|
|
const ATOMIC: AtomicUsize = AtomicUsize::new(5); //~ ERROR interior mutable
|
|
const CELL: Cell<usize> = Cell::new(6); //~ ERROR interior mutable
|
|
const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec<AtomicUsize>, u8) = ([ATOMIC], Vec::new(), 7);
|
|
//~^ ERROR interior mutable
|
|
|
|
macro_rules! declare_const {
|
|
($name:ident: $ty:ty = $e:expr) => {
|
|
const $name: $ty = $e;
|
|
};
|
|
}
|
|
declare_const!(_ONCE: Once = Once::new()); //~ ERROR interior mutable
|
|
|
|
// const ATOMIC_REF: &AtomicUsize = &AtomicUsize::new(7); // This will simply trigger E0492.
|
|
|
|
const INTEGER: u8 = 8;
|
|
const STRING: String = String::new();
|
|
const STR: &str = "012345";
|
|
const COW: Cow<str> = Cow::Borrowed("abcdef");
|
|
//^ note: a const item of Cow is used in the `postgres` package.
|
|
|
|
const NO_ANN: &dyn Display = &70;
|
|
|
|
static STATIC_TUPLE: (AtomicUsize, String) = (ATOMIC, STRING);
|
|
//^ there should be no lints on this line
|
|
|
|
fn main() {}
|