{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
    let ExprField { hir_id, ident, expr, span: _, is_shorthand: _ } = field;
pub fn walk_expr_field<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v ExprField<'v>) -> V::Result {
    try_visit!(visitor.visit_id(*hir_id));