According to the docs, you can retrieve the index using Index. However, this one only returns a single integer. Do I have to manually compute for the line number and column (e.g by using Util.lineNumberLookup) or use IndexedParserInput.prettyIndex on the resulting index?
How to directly retrieve the line and column number of a parsed object in Scala FastParse?
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It looks like the answer is yes, but I can't even figure out how to do it manually. You basically have to have the whole string (or some stand-in, like the locations of all the newlines) available to every parser. The thing I'm trying now is making my parser a class and passing in the input as a val, so that I have access to it throughout.