listCompare
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Summary
Function: integer ListCompare( list a, list b );
Efficiently compares two lists for equality (same contents in the same order).
Returns an integer TRUE if the lists are equal, FALSE if not.
• list | a | – | The first list to compare. | |
• list | b | – | The second list to compare. |
Examples
<lsl>integer r = ListCompare([1, 2.0, "3"], [1, 2.0, "3"]); // Returns TRUE integer s = ListCompare([1, 2.0, 3], [1, 2.0, "3"]); // Returns FALSE
integer t = ListCompare([], [1, 2.0, "3"]); // Returns FALSE</lsl>Implementation for LSO
<lsl>integer ListCompare(list a, list b) {
integer aL = a != []; if (aL != (b != [])) return 0; if ((aL == 0) && (b == [])) return 1; return !llListFindList((a = []) + a, (b = []) + b);
}</lsl>
Implementation for MONO
<lsl> integer ListCompare(list a, list b) {
if (a != b) return FALSE; // Note: This is comparing list lengths only return !llListFindList(a, b);
} </lsl>