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Created December 17, 2018 02:45
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Dailyprogrammer #366 Easy
funnel = fn a,b when length(a)==length(b)+1 -> length(a--b)==1; _,_ -> false end
# Tests
IO.inspect funnel.('leave', 'eave')
IO.inspect funnel.('leave', 'leave')
IO.inspect funnel.('leave', 'lave')
IO.inspect funnel.('leave', 'leav')
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