error[E0597]: borrowed value does not live long enough --> $DIR/const-int-sign.rs:2:29 | LL | let x: &'static bool = &(5_i32.is_negative()); //~ ERROR does not live long enough | ^^^^^^^^^^^^^^^^^^^^^ temporary value does not live long enough LL | let y: &'static bool = &(5_i32.is_positive()); //~ ERROR does not live long enough LL | } | - temporary value only lives until here | = note: borrowed value must be valid for the static lifetime... error[E0597]: borrowed value does not live long enough --> $DIR/const-int-sign.rs:3:29 | LL | let y: &'static bool = &(5_i32.is_positive()); //~ ERROR does not live long enough | ^^^^^^^^^^^^^^^^^^^^^ temporary value does not live long enough LL | } | - temporary value only lives until here | = note: borrowed value must be valid for the static lifetime... error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0597`.