error: the `min` method cannot be invoked on a trait object | |
--> $DIR/imm-ref-trait-object.rs:2:8 | |
| | |
LL | t.min().unwrap() | |
| ^^^ | |
| | |
= note: you need `&mut dyn std::iter::Iterator<Item = &u64>` instead of `&dyn std::iter::Iterator<Item = &u64>` | |
error: aborting due to previous error | |