error: `Inner` is forbidden as the type of a const generic parameter --> $DIR/issue-74950.rs:20:23 | LL | struct Outer; | ^^^^^ | = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types error: `Inner` is forbidden as the type of a const generic parameter --> $DIR/issue-74950.rs:20:23 | LL | struct Outer; | ^^^^^ | = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types error: `Inner` is forbidden as the type of a const generic parameter --> $DIR/issue-74950.rs:20:23 | LL | struct Outer; | ^^^^^ | = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types error: `Inner` is forbidden as the type of a const generic parameter --> $DIR/issue-74950.rs:20:23 | LL | struct Outer; | ^^^^^ | = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types error: `Inner` is forbidden as the type of a const generic parameter --> $DIR/issue-74950.rs:20:23 | LL | struct Outer; | ^^^^^ | = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types error: aborting due to 5 previous errors