{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"Const::new(tcx,"}]}
        Const::new(tcx, ty::ConstKind::Expr(expr))
    pub fn new_expr(tcx: TyCtxt<'tcx>, expr: ty::Expr<'tcx>) -> Const<'tcx> {
    }