error[E0423]: cannot initialize a tuple struct which contains private fields --> $DIR/suggest-constructor-cycle-error.rs:7:29 | LL | const CONST_NAME: a::Uuid = a::Uuid(()); | ^^^^^^^ | note: constructor is not visible here due to private fields --> $DIR/auxiliary/suggest-constructor-cycle-error.rs:2:21 | LL | pub struct Uuid(()); | ^^ private field error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0423`.