commit solution

go.mod

@@ -0,0 +1,3 @@
+module hw2
+
+go 1.17

solution.go

@@ -1,12 +1,30 @@
-package square
-
-// Define custom int type to hold sides number and update CalcSquare signature by replacing #yourTypeNameHere#
-
-// Define constants to represent 0, 3 and 4 sides.  Test uses mnemos: SidesTriangle(==3), SidesSquare(==4), SidesCircle(==0)
-// it's like:
-// CalcSquare(10.0, SidesTriangle)
-// CalcSquare(10.0, SidesSquare)
-// CalcSquare(10.0, SidesCircle)
-
-func CalcSquare(sideLen float64, sidesNum #yourTypeNameHere#) float64 {
-}
+package square
+
+import "math"
+
+// Define custom int type to hold sides number and update CalcSquare signature by replacing #yourTypeNameHere#
+
+type sides int
+
+// Define constants to represent 0, 3 and 4 sides.  Test uses mnemos: SidesTriangle(==3), SidesSquare(==4), SidesCircle(==0)
+// it's like:
+// CalcSquare(10.0, SidesTriangle)
+// CalcSquare(10.0, SidesSquare)
+// CalcSquare(10.0, SidesCircle)
+
+const SidesTriangle = 3
+const SidesSquare = 4
+const SidesCircle = 0
+
+func CalcSquare(sideLen float64, sidesNum sides) float64 {
+	switch sidesNum {
+	case SidesTriangle:
+		return math.Sqrt(3) * sideLen * sideLen / 4
+	case SidesSquare:
+		return sideLen * sideLen
+	case SidesCircle:
+		return math.Pi * sideLen * sideLen
+	default:
+		return 0
+	}
+}