error[E0204]: the trait `Copy` cannot be implemented for this type | |
--> $DIR/range_traits-3.rs:3:10 | |
| | |
LL | #[derive(Copy, Clone)] | |
| ^^^^ | |
LL | struct R(RangeFrom<usize>); | |
| ---------------- this field does not implement `Copy` | |
| | |
= note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0204`. |