tests/ui/generic-const-items/parameter-defaults.stderr


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error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
  --> $DIR/parameter-defaults.rs:10:12
   |
LL | const NONE<T = ()>: Option<T> = None::<T>;
   |            ^^^^^^

error: aborting due to 1 previous error