const

Author: Simcoderan

4_constants/constants.go

@@ -0,0 +1,27 @@
+package main 
+
+import "fmt"
+//before function it can be declared 
+//but := short hand cant be used outside function
+const age=30
+const word="go"  //-whenever needed can be used in the program
+
+func main(){
+	const name  string = "golang" //type can skippked it infers itself
+
+	//try to reassign the value its not allowed
+	//-name="js"  ---not allowed
+
+	/*int*/
+	//const age=30
+	fmt.Println(age)
+
+
+	//--CONSTANT GROUPING--// (Whenever u need many constants)
+	const (
+		port=5000
+		host="localhost"
+	)
+	fmt.Println(port,host)
+
+}