evaluate: FailureCollectorContext.() -> ElementResult<T>
): ElementResult<T> {
    val context = FailureCollectorContext()
    return evaluate(context)
}


internal
fun <T> syntacticOrFailure(
    evaluate: FailureCollectorContext.() -> SyntacticResult<T>
): SyntacticResult<T> {
    val context = FailureCollectorContext()
    return evaluate(context)

            }
        }


    private
    fun valueArgument(tree: CachingLightTree, node: LighterASTNode): SyntacticResult<FunctionArgument.ValueArgument> =
        syntacticOrFailure {
            if (node.tokenType == PARENTHESIZED) return@syntacticOrFailure valueArgument(tree, tree.getFirstChildExpressionUnwrapped(node)!!)

            var expression: CheckedResult<ElementResult<Expr>>? = null

            when (node.tokenType) {