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Idiom #178 Check if point is inside rectangle

Set boolean b to true if if the point with coördinates (x,y) is inside the rectangle with coördinates (x1,y1,x2,y2) , or to false otherwise.
Describe if the edges are considered to be inside the rectangle.

Types
b := PtInRect(Rect(x1,y1,x2,y2), Point(x,y));
Point = Struct.new(:x, :y)

Rect  = Struct.new(:x1, :y1, :x2, :y2) do
  def contains?(point)
    point.x.between?(x1,x2) && point.y.between?(y1,y2)
  end
end

b = Rect.new(0,0,2,5).contains?(Point.new(0,0))

Do you know the best way to do this in your language ?
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Idiom created by

Bart