foreachi(<tTable>, <fFunction>)
Description (from LUA 4 Manual: 6.1 Basic Functions)
"Executes the given <fFunction> over the numerical indices of <tTable>. For each index, the function is called with the index and respective value as arguments. Indices are visited in sequential order, from 1 to n, where n is the result of ;getn(<tTable>) (see Section 6.1). If the function returns any non-nil value, then the loop is broken, and this value is returned as the final value of foreachi. This function could be defined in Lua:"
function foreachi (t, f)
	for i=1, getn(t) do
		local res = f(i, t[i])
		if res then return res end

<tTable>: the table to traverse.
<fFunction>: the function to execute over all elements of <tTable>.
Note: do not add trailing parentheses when entering the function name.
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