error: using function pointers as const generic parameters is forbidden --> $DIR/fn-const-param-call.rs:13:25 | LL | struct Wrapper u32>; | ^^^^^^^^^^^ | = note: the only supported types are integers, `bool` and `char` error: using function pointers as const generic parameters is forbidden --> $DIR/fn-const-param-call.rs:15:15 | LL | impl u32> Wrapper { | ^^^^^^^^^^^ | = note: the only supported types are integers, `bool` and `char` error: aborting due to 2 previous errors