error[E0605]: non-primitive cast: `Foo` as `isize`
- --> $DIR/nonscalar-cast.rs:7:20
+ --> $DIR/nonscalar-cast.rs:15:20
|
LL | println!("{}", Foo { x: 1 } as isize);
- | ^^^^^^^^^^^^^^^^^^^^^
+ | ^^^^^^^^^^^^^^^^^^^^^ help: consider using the `From` trait instead: `isize::from(Foo { x: 1 })`
|
- = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
+ = note: an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
error: aborting due to previous error