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Created June 19, 2018 15:34
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C# 8 switch expression
static string M2(Shape shape)
=> shape switch
Shape s when s.Size.height > 100 => $"large shape with size {s.Size} at position {s.Position}",
Ellipse e => $"Ellipse with size {e.Size} at position {e.Position}",
Rectangle r => $"Rectangle with size {r.Size} at position {r.Position}",
_ => "another shape"
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