Struct ExprReference
pub struct ExprReference {
pub attrs: Vec<Attribute>,
pub and_token: And,
pub mutability: Option<Mut>,
pub expr: Box<Expr>,
}Iterator<Item = &Expr>
node: &ExprReference
[node.expr.as_ref()]Iterator<Item = &mut Expr>
node: &mut ExprReference
[node.expr.as_mut()]