error[E0530]: let bindings cannot shadow tuple structs --> $DIR/enum-in-scope.rs:6:9 | LL | struct hello(isize); | -------------------- the tuple struct `hello` is defined here ... LL | let hello = 0; | ^^^^^ cannot be named the same as a tuple struct error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0530`.