模組:parameters/remove holes
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-- A helper function that removes empty numeric indexes in a table,
-- so that the values are tightly packed like in a normal Lua table.
-- equivalent to require("Module:table").compressSparseArray
return function (t)
local ret = {}
local index = 1
local highest = 0
for num, _ in pairs(t) do
if type(num) == "number" and num > 0 and num < math.huge and math.floor(num) == num then
highest = math.max(highest, num)
end
end
for i = 1, highest do
if t[i] then
ret[index] = t[i]
index = index + 1
end
end
return ret
end