Power set: Difference between revisions
Content added Content deleted
(→{{header|Lua}}: forgot the empty set!) |
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Line 565:
for i = 1, #ret do
ret[#ret + 1] = {s[start], unpack(ret[i])}
end
return ret
end
--alternative, copied from the Python implementation
function powerset2(s)
local ret = {{}}
for i = 1, #s do
local k = #ret
for j = 1, k do
ret[k + j] = {s[i], unpack(ret[j])}
end
end
return ret
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