error[E0277]: the trait bound `T: Step` is not satisfied
 --> missing-bound.rs:2:14
  |
2 |     for _ in t {}
  |              ^ the trait `Step` is not implemented for `T`
  |
  = note: required for `std::ops::Range<T>` to implement `Iterator`
  = note: required for `std::ops::Range<T>` to implement `IntoIterator`

error: aborting due to 1 previous error

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