error[E0599]: no method named `assign` found for struct `Function<U0_RXD, Assigned<PIO0_0>>` in the current scope
  --> $DIR/assign-function-to-multiple-pins.rs:30:30
   |
30 |     let (u0_rxd, _) = u0_rxd.assign(pio0_1.into_swm_pin(), &mut swm_handle);
   |                              ^^^^^^ help: there is an associated function with a similar name: `unassign`