Manuel Simon Hirsig
30 lines
595 B
Lua
30 lines
595 B
Lua
local m, private, public = Aux.module'sort'
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public.LT = {}
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public.EQ = {}
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public.GT = {}
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function public.compare(a, b, desc)
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if a < b then
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return desc and m.GT or m.LT
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elseif a > b then
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return desc and m.LT or m.GT
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else
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return m.EQ
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end
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end
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function public.multi_lt(xs, ys)
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local i = 1
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while true do
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if xs[i] and ys[i] and xs[i] ~= ys[i] then
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return xs[i] < ys[i]
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elseif not xs[i] and ys[i] then
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return true
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elseif not ys[i] then
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return false
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end
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i = i + 1
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end
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end |