new ASTNode (string, dividers).forEach ([=] (Token <Element> &token) {
                                                                       token.with (target, programState)
                                                                            .case (ast::operators::conditional, parseConditionalOperator)
                                                                            .case (ast::operators::recursive, parseRecursiveOperator)    
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                                                                            .catch () => (Exception <Token> &xc) => [] {
                                                                                                                         xc.handleError ();
                                                                                                                       }
                                                                     });
