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table.maxn

  number table.maxn( table tbl )
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Description

Returns the highest numerical key.

Arguments

1 table tbl
The table to search.

Returns

1 number
The highest numerical key.

Example

Demonstrates how this differs from the # operator.

local tbl = {"One", "Two", [6] = "Six", [42] = "Answer to life, the universe, and everything"} PrintTable(tbl) print("\n" .. #tbl) print(table.maxn(tbl))
Output:
1 = One 2 = Two 6 = Six 42 = Answer to life, the universe, and everything 2 42

Whereas the length operator (#) returns the highest sequential index, this returns the value of the highest numeric index.

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