Go if else 语句

package main



import "fmt"



func main() {

   /* local variable definition */

   var a int = 100;



   /* check the boolean condition */

   if( a < 20 ) {

      /* if condition is true then print the following */

      fmt.Printf("a is less than 20\n" );

   } else {

      /* if condition is false then print the following */

      fmt.Printf("a is not less than 20\n" );

   }

   fmt.Printf("value of a is : %d\n", a);

}