tests/ui/splat/splat-maybe-tuple.stderr

error[E0277]: cannot use splat attribute; the splatted argument type must be a tuple or unit, not a u32 (u32)
  --> $DIR/splat-maybe-tuple.rs:8:39
   |
LL | fn unbound_generic_arg<T>(#[splat] t: T) {}
   |                                       ^
...
LL |     unbound_generic_arg::<u32>(1);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.