Method Array.diff_compare_table() Method diff_compare_table array(array(int)) diff_compare_table(array a, array b) Description Returns an array which maps from index in a to corresponding indices in b. > Array.diff_compare_table( ({ "a","b","c" }), ({ "b", "b", "c", "d", "b" })); Result: ({ ({ }), ({ 0, 1, 4 }), ({ 2 }) }) See also diff(), diff_longest_sequence(), String.fuzzymatch()