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shapes: add Circle struct and Area func

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This commit is contained in:
vinchent 2024-09-11 09:06:46 +02:00
parent d5d910db5a
commit ff89c50710
2 changed files with 19 additions and 9 deletions
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10
shapes/shapes.go
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@ -1,10 +1,16 @@
package shapes package shapes
import "math"
type Rectangle struct { type Rectangle struct {
Width float64 Width float64
Height float64 Height float64
} }
type Circle struct {
Radius float64
}
func (r Rectangle) Perimeter() float64 { func (r Rectangle) Perimeter() float64 {
return 2 * (r.Width + r.Height) return 2 * (r.Width + r.Height)
} }
@ -12,3 +18,7 @@ func (r Rectangle) Perimeter() float64 {
func (r Rectangle) Area() float64 { func (r Rectangle) Area() float64 {
return r.Width * r.Height return r.Width * r.Height
} }
func (c Circle) Area() float64 {
return c.Radius * c.Radius * math.Pi
}

18
shapes/shapes_test.go
View File

@ -23,13 +23,13 @@ func TestArea(t *testing.T) {
} }
}) })
// t.Run("circles", func(t *testing.T) { t.Run("circles", func(t *testing.T) {
// circle := Circle{10} circle := Circle{10}
// got := Area(circle) got := circle.Area()
// exp := 314.1592653589793 exp := 314.1592653589793
//
// if got != exp { if got != exp {
// t.Errorf("got %.2f expected %.2f", got, exp) t.Errorf("got %.2f expected %.2f", got, exp)
// } }
// }) })
} }