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Mesh Spreadsheet: A data and code editor that feels like a spreadsheet
A data and code editor that feels like a spreadsheet. - chrispsn/mesh-spreadsheet
The sheet is shown in your web browser, the client; it's connected via WebSockets to a backend server that does calculations and updates files on your disk. The Mesh app can still see it in the parse tree and extract info from it, but because that name is immediately redefined by the next line, it doesn't affect the calculations. But this approach isn't clean for dicts and tables, since the AST represents them as calls of functions that can do things other than make a data structure.
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