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Lua table.filter (JavaScript Array::filter equivalent)
-- table.filter({"a", "b", "c", "d"}, function(o, k, i) return o >= "c" end) --> {"c","d"}
-- @FGRibreau - Francois-Guillaume Ribreau
-- @Redsmin - A full-feature client for Redis
table.filter = function(t, filterIter)
local out = {}
for k, v in pairs(t) do
if filterIter(v, k, t) then out[k] = v end
return out
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