error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:33:6 | LL | *(u.p) = 13; | ^^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:46:6 | LL | *u3.a = T::default(); | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:52:6 | LL | *u3.a = T::default(); | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:60:13 | LL | let a = u1.a; | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:63:14 | LL | let U1 { a } = u1; | ^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:64:8 | LL | if let U1 { a: 12 } = u1 {} | ^^^^^^^^^^^^^^^^^^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:69:6 | LL | *u2.a = String::from("new"); | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:73:6 | LL | *u3.a = 1; | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/union-unsafe.rs:77:6 | LL | *u3.a = String::from("new"); | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0133`.