{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"ast::Pat::IdentPat(make::ident_pat(false,"}]}
                    ast::Pat::IdentPat(make::ident_pat(false, false, capture_name.clone_subtree())),
                params.push(make::param(
                    make::ty(&capture_ty),