error[E0423]: expected function, tuple struct or tuple variant, found type alias `A` --> $DIR/tuple-struct-alias.rs:5:13 | LL | struct S(u8, u16); | ------------------ similarly named tuple struct `S` defined here ... LL | let s = A(0, 1); | ^ help: a tuple struct with a similar name exists: `S` | = note: can't use a type alias as a constructor error[E0532]: expected tuple struct or tuple variant, found type alias `A` --> $DIR/tuple-struct-alias.rs:7:9 | LL | struct S(u8, u16); | ------------------ similarly named tuple struct `S` defined here ... LL | A(..) => {} | ^ help: a tuple struct with a similar name exists: `S` | = note: can't use a type alias as a constructor error: aborting due to 2 previous errors Some errors have detailed explanations: E0423, E0532. For more information about an error, try `rustc --explain E0423`.