#[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
pub enum ForeignItemKind {
/// A static item (`static FOO: u8`).
- Static(P<Ty>, Mutability),
+ Static(P<Ty>, Mutability, Option<P<Expr>>),
/// A function.
Fn(FnSig, Generics, Option<P<Block>>),
/// A type.