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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Positional variable binding not working in java","articleBody":"Hello,\r\n\r\nI wanted to use this feature to be able to store filtered element indexes like this doc example :\r\nlibrary.books#$i['Kernighan' in authors].{\r\n  'title': title,\r\n  'index': $i\r\n}\r\nIt works well on the exerciser page which is based on the javascript version of this library but not with java where I get a Parsing exception :\r\ncom.api.jsonata4java.expressions.ParseException: line 1:13 at null: token recognition error at: '#'\r\n, line 1:14 at [@3,14:15='$i',\u003c47\u003e,1:14]: mismatched input '$i' expecting {\u003cEOF\u003e, '.', 'in', '?', '[', '{', '~\u003e', '*', '/', '+', '-', '%', '=', '!=', '\u003c', '\u003c=', '\u003e', '\u003e=', '\u0026', '^', 'and', 'or'}\r\nIs it a bug or this feature is simply not supported by the java version ? If not is it planned ?\r\n\r\nThanks in advance.","author":{"url":"https://github.com/ClementLagorce","@type":"Person","name":"ClementLagorce"},"datePublished":"2024-11-11T11:16:29.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/325/JSONata4Java/issues/325"}