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xiaods/advanced-style-ruby

Created November 14, 2013 01:32
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advanced-style-ruby
def triangle(a, b, c)
raise TriangleError if [a,b,c].min <= 0
x, y, z = [a,b,c].sort
raise TriangleError if x + y <= z
[:equilateral,:isosceles,:scalene].fetch([a,b,c].uniq.size - 1)
end
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