5 lines
196 B
Ruby
5 lines
196 B
Ruby
multiplier = proc {|n1, n2| proc {|m| n1 * n2 * m}}
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numlist = [x=2, y=4, x+y]
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invlist = [0.5, 0.25, 1.0/(x+y)]
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p numlist.zip(invlist).map {|n, invn| multiplier[invn, n][0.5]}
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# => [0.5, 0.5, 0.5]
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