Merge pull request #13 from hegdeashwin/develop

adds constants eg

Author: Ashwin Hegde

codes/session-1/constants.go

@@ -0,0 +1,63 @@
+package main
+
+import "fmt"
+
+/**
+ * Define constants
+ * Float, String and iota (incremental)
+ */
+const (
+	PI = 3.14
+	LANGUAGE = "Go"
+
+	A = iota
+	B = iota
+	C = iota
+)
+
+/**
+ * Define constants iota (incremental)
+ */
+const (
+	P = iota
+	Q = iota
+	R = iota
+)
+
+/**
+ * Define constants iota (incremental)
+ * Here, Y and Z does has type, so Go will assume Y and Z are of type iota from X
+ */
+const (
+	X = iota
+	Y
+	Z
+)
+
+func main() {
+
+	/**
+	 * OUTPUT: 3.14
+	 */
+	fmt.Println(PI)
+
+	/**
+	 * OUTPUT: Go
+	 */
+	fmt.Println(LANGUAGE)
+
+	/**
+	 * OUTPUT: 2 3 4
+	 */
+	fmt.Println(A, B, C)
+
+	/**
+	 * OUTPUT: 0 1 2
+	 */
+	fmt.Println(P, Q, R)
+
+	/**
+	 * OUTPUT: 0 1 2
+	 */
+	fmt.Println(X, Y, Z)
+}