message: chore(encoders) Changing `unimplemented!()` to `todo!()`.
diff: @@ -213,7 +213,7 @@ impl<'input> ToString for &Export<'input> {
  /// Encode a `Type` into a string.
  impl<'input> ToString for &Type<'input> {
  fn to_string(&self) -> String {
  - unimplemented!()
  + todo!("To be implemented.")
  }
  }
  @@ -276,7 +276,7 @@ impl<'input> ToString for &Adapter<'input> {
  }),
  ),
  - _ => unimplemented!(),
  + _ => todo!("To be implemented."),
  }
  }
  }
  @@ -342,7 +342,7 @@ impl<'input> ToString for &Interfaces<'input> {
  accumulator.push_str(&format!("\n\n;; Interface, Adapter {}\n", name))
  }
  - _ => unimplemented!(),
  + _ => todo!("To be implemented."),
  }
  accumulator.push_str(&adapter.to_string());
  accumulator
  