error: unconstrained generic constant --> $DIR/array-trait.rs:23:23 | LL | pub struct T([S::Lane; S::SIZE]); | ^^^^^^^^^^^^^^^^^^ | = help: try adding a `where` bound using this expression: `where [(); S::SIZE]:` error[E0077]: SIMD vector element type should be a primitive scalar (integer/float/pointer) type --> $DIR/array-trait.rs:23:1 | LL | pub struct T([S::Lane; S::SIZE]); | ^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0077`.