fixed go lint concerns in code no logic chages

shape/circle.go

@@ -2,14 +2,17 @@ package shape
 
 import "math"
 
+// Circle  is a round thing
 type Circle struct {
 	Radius float64
 }
 
+//CalculateArea is a function to calculate ... hmm let's see Area
 func (circle Circle) CalculateArea() float64 {
     return math.Pi * circle.Radius
 }
 
+// CalculatePerimeter is a function that does the geometric math for a permiter
 func (circle Circle) CalculatePerimeter() float64 {
     return 2 * math.Pi * circle.Radius
 }

shape/rectangle.go

@@ -1,14 +1,17 @@
 package shape
 
+// Rectangle is a sqaure like thingy
 type Rectangle struct {
 	Width  float64
 	Height float64
 }
 
+//CalculateArea is a function to calculate ... hmm let's see Area
 func (rectangle Rectangle) CalculateArea() float64 {
     return rectangle.Width * rectangle.Height
 }
 
+// CalculatePerimeter is a function that does the geometric math for a permiter
 func (rectangle Rectangle) CalculatePerimeter() float64 {
     return rectangle.Width*2 + rectangle.Height*2
 }

shape/triangle.go

@@ -1,10 +1,12 @@
 package shape
 
+// Triangle has three points of fun
 type Triangle struct {
 	Base   float64
 	Height float64
 }
 
+// CalculateArea is a function to calculate ... hmm let's see Area
 func (triangle Triangle) CalculateArea() float64 {
     return triangle.Height * triangle.Base / 2.0
 }

shape_test.go

@@ -15,12 +15,12 @@ func TestPerimeter(t *testing.T) {
 	}
 
 	t.Run("rectangles", func(t *testing.T) {
-		rectangle := shape.Rectangle{10.0, 10.0}
+		rectangle := shape.Rectangle{Width: 10.0, Height:10.0}
 		checkPerimeter(t, rectangle, 40.0)
 	})
 
 	t.Run("circles", func(t *testing.T) {
-		circle := shape.Circle{10.0}
+		circle := shape.Circle{Radius: 10.0}
 		checkPerimeter(t, circle, 62.83185307179586)
 	})
 }
@@ -35,17 +35,17 @@ func TestArea(t *testing.T) {
 	}
 
 	t.Run("rectangles", func(t *testing.T) {
-		rectangle := shape.Rectangle{12, 6}
+		rectangle := shape.Rectangle{Width:12, Height:6}
 		checkArea(t, rectangle, 72.0)
 	})
 
 	t.Run("circles", func(t *testing.T) {
-		circle := shape.Circle{10.0}
+		circle := shape.Circle{Radius:10.0}
 		checkArea(t, circle, 31.41592653589793)
 	})
 
 	t.Run("triangles", func(t *testing.T) {
-		triangle := shape.Triangle{10.0, 10.0}
+		triangle := shape.Triangle{Base:10.0, Height:10.0}
 		checkArea(t, triangle, 50)
 	})
 }