Package examples

Author: Rajeev Kumar Singh

07-packages/app/main.go renamed to 07-packages/app/app.go

@@ -3,7 +3,7 @@ package main
 import (
 	"fmt"
 	"github.com/callicoder/golang-tutorials/07-packages/numbers"
-	"github.com/callicoder/golang-tutorials/07-packages/strings"
+	"github.com/callicoder/golang-tutorials/07-packages/strings"	
 	"github.com/callicoder/golang-tutorials/07-packages/strings/greetings" // Importing a nested package
 	str "strings"	// Package Alias
 )

07-packages/main/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"time"
+	"math"
+    "math/rand"
+)
+
+func main() {
+	// Finding the Max of two numbers
+	fmt.Println(math.Max(73.15, 92.46))
+	
+	// Calculate the square root of a number
+	fmt.Println(math.Sqrt(225))
+
+	// Printing the value of `𝜋`
+	fmt.Println(math.Pi)
+
+	// Epoch time in milliseconds
+	epoch := time.Now().Unix()
+	fmt.Println(epoch)
+
+	// Generating a random integer between 0 to 100
+	rand.Seed(epoch)
+	fmt.Println(rand.Intn(100))
+}

07-packages/numbers/prime.go

@@ -9,6 +9,5 @@ func IsPrime(num int) bool {
             return false
         }
 	}
-	
     return num > 1
 }

07-packages/strings/greetings/texts.go

@@ -2,9 +2,11 @@
 package greetings
 
 // Exported
-const WelcomeText = "Hello, World to Golang"
-const MorningText = "Good Morning"
-const EveningText = "Good Evening"
+const  (
+	WelcomeText = "Hello, World to Golang"
+    MorningText = "Good Morning"
+	EveningText = "Good Evening"
+)
 
 // Not exported (only visible inside the `greetings` package)
 var loremIpsumText = `Lorem ipsum dolor sit amet, consectetur adipiscing elit,