Build/Utilities/isArray.lua

23 lines
449 B
Lua

-- lua-cjson's is_array by Mark Pulford
function auIsArray(table)
local max = 0
local count = 0
if (type(table) ~= "table") then
return false
end
for k, v in pairs(table) do
if type(k) == "number" then
if k > max then max = k end
count = count + 1
else
return false
end
end
if max > count * 2 then
return false
end
return max > 0
end