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[added] add remove which holds onto all elements where f(v) returns false
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@ -80,6 +80,17 @@ function functional.filter(t, f)
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return r
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end
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-- inverse of filter - returns a table containing items where f(v) returns false.
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function functional.remove(t, f)
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local r = {}
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for i, v in ipairs(t) do
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if not f(v, i) then
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table.insert(r, v)
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end
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end
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return r
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end
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--partitions a sequence based on filter criteria
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function functional.partition(t, f)
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local a = {}
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