```
help: consider restricting type parameter `T` with traits `Copy` and `Trait`
|
LL | fn duplicate_custom<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) {
| ++++++++++++++
```
```
help: consider restricting type parameter `V` with trait `Copy`
|
LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V {
| +++++++++++++++++++
```
16 lines
857 B
Plaintext
16 lines
857 B
Plaintext
WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), .. }
|
|
error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied
|
|
--> $DIR/structually-relate-aliases.rs:13:36
|
|
|
|
|
LL | impl<T> Overlap<for<'a> fn(&'a (), Assoc<'a, T>)> for T {}
|
|
| ^^^^^^^^^^^^ the trait `for<'a> ToUnit<'a>` is not implemented for `T`
|
|
|
|
|
help: consider restricting type parameter `T` with trait `ToUnit`
|
|
|
|
|
LL | impl<T: for<'a> ToUnit<'a>> Overlap<for<'a> fn(&'a (), Assoc<'a, T>)> for T {}
|
|
| ++++++++++++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|