error[E0764]: mutable references are not allowed in the final value of constants --> $DIR/mut_ref_in_final.rs:10:21 | LL | const B: *mut i32 = &mut 4; | ^^^^^^ error[E0716]: temporary value dropped while borrowed --> $DIR/mut_ref_in_final.rs:16:40 | LL | const B3: Option<&mut i32> = Some(&mut 42); | ----------^^- | | | | | | | temporary value is freed at the end of this statement | | creates a temporary value which is freed while still in use | using this value as a constant requires that borrow lasts for `'static` error[E0716]: temporary value dropped while borrowed --> $DIR/mut_ref_in_final.rs:19:42 | LL | const B4: Option<&mut i32> = helper(&mut 42); | ------------^^- | | | | | | | temporary value is freed at the end of this statement | | creates a temporary value which is freed while still in use | using this value as a constant requires that borrow lasts for `'static` error[E0716]: temporary value dropped while borrowed --> $DIR/mut_ref_in_final.rs:34:65 | LL | const FOO: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42)); | -------------------------------^^-- | | | | | | | temporary value is freed at the end of this statement | | creates a temporary value which is freed while still in use | using this value as a constant requires that borrow lasts for `'static` error[E0716]: temporary value dropped while borrowed --> $DIR/mut_ref_in_final.rs:37:67 | LL | static FOO2: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42)); | -------------------------------^^-- | | | | | | | temporary value is freed at the end of this statement | | creates a temporary value which is freed while still in use | using this value as a static requires that borrow lasts for `'static` error[E0716]: temporary value dropped while borrowed --> $DIR/mut_ref_in_final.rs:40:71 | LL | static mut FOO3: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42)); | -------------------------------^^-- | | | | | | | temporary value is freed at the end of this statement | | creates a temporary value which is freed while still in use | using this value as a static requires that borrow lasts for `'static` error: aborting due to 6 previous errors Some errors have detailed explanations: E0716, E0764. For more information about an error, try `rustc --explain E0716`.