| error[E0119]: conflicting implementations of trait `From<()>` for type `S` |
| --> $DIR/inter-crate-ambiguity-causes-notes.rs:12:1 |
| | |
| LL | impl From<()> for S { |
| | ------------------- first implementation here |
| ... |
| LL | / impl<I> From<I> for S |
| LL | | |
| LL | | where |
| LL | | I: Iterator<Item = ()>, |
| | |___________________________^ conflicting implementation for `S` |
| | |
| = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `()` in future versions |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0119`. |
