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// Test `static_mut_refs` lint.
//@ revisions: e2021 e2024
//@ [e2021] edition:2021
//@ [e2021] run-pass
//@ [e2024] edition:2024
static mut FOO: (u32, u32) = (1, 2);
macro_rules! bar {
($x:expr) => {
&mut ($x.0)
//[e2021]~^ WARN creating a mutable reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a mutable reference to mutable static [static_mut_refs]
};
}
static mut STATIC: i64 = 1;
fn main() {
static mut X: i32 = 1;
static mut Y: i32 = 1;
struct TheStruct {
pub value: i32,
}
struct MyStruct {
pub value: i32,
pub s: TheStruct,
}
static mut A: MyStruct = MyStruct { value: 1, s: TheStruct { value: 2 } };
unsafe {
let _y = &X;
//[e2021]~^ WARN shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR shared reference to mutable static [static_mut_refs]
let _y = &mut X;
//[e2021]~^ WARN mutable reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR mutable reference to mutable static [static_mut_refs]
let _z = &raw mut X;
let _p = &raw const X;
let ref _a = X;
//[e2021]~^ WARN shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR shared reference to mutable static [static_mut_refs]
let (_b, _c) = (&X, &Y);
//[e2021]~^ WARN shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR shared reference to mutable static [static_mut_refs]
//[e2021]~^^^ WARN shared reference to mutable static [static_mut_refs]
//[e2024]~^^^^ ERROR shared reference to mutable static [static_mut_refs]
foo(&X);
//[e2021]~^ WARN shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR shared reference to mutable static [static_mut_refs]
static mut Z: &[i32; 3] = &[0, 1, 2];
let _ = Z.len();
//[e2021]~^ WARN creating a shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a shared reference to mutable static [static_mut_refs]
let _ = Z[0];
let _ = format!("{:?}", Z);
//[e2021]~^ WARN creating a shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a shared reference to mutable static [static_mut_refs]
let _v = &A.value;
//[e2021]~^ WARN creating a shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a shared reference to mutable static [static_mut_refs]
let _s = &A.s.value;
//[e2021]~^ WARN creating a shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a shared reference to mutable static [static_mut_refs]
let ref _v = A.value;
//[e2021]~^ WARN creating a shared reference to mutable static [static_mut_refs]
//[e2024]~^^ ERROR creating a shared reference to mutable static [static_mut_refs]
let _x = bar!(FOO);
STATIC += 1;
}
}
fn foo<'a>(_x: &'a i32) {}
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