| error[E0379]: functions in traits cannot be declared const |
| --> $DIR/issue-54954.rs:5:5 |
| | |
| LL | const fn const_val<T: Sized>() -> usize { |
| | ^^^^^- |
| | | |
| | functions in traits cannot be const |
| | help: remove the `const` |
| |
| error[E0790]: cannot call associated function on trait without specifying the corresponding `impl` type |
| --> $DIR/issue-54954.rs:1:24 |
| | |
| LL | const ARR_LEN: usize = Tt::const_val::<[i8; 123]>(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot call associated function of trait |
| ... |
| LL | / const fn const_val<T: Sized>() -> usize { |
| LL | | |
| LL | | core::mem::size_of::<T>() |
| LL | | } |
| | |_____- `Tt::const_val` defined here |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0379, E0790. |
| For more information about an error, try `rustc --explain E0379`. |