A gridmap is a variation of ordered map with two keys and one value, intended for use with data structures that can be represented by rows and columns, such as CSV files, spreadsheets, SQL query results sets, and any data values that can be plotted on a two dimensional graph. There are two variations; one uses integers for both the row and column index; the other uses integers for the row index but a string for the column.
History
2023 March, A-Shell 6.5.1728: Added GRIDMAP to A-Shell
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