starting go by example

5-go-by-example/6-if-else.go

@@ -0,0 +1,27 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	// basic
+	if 7%2 == 0 {
+		fmt.Println("7 is even")
+	} else {
+		fmt.Println("7 is odd")
+	}
+
+	// if statement without an else
+	if 8%4 == 0 {
+		fmt.Println("8 is divisible by 4")
+	}
+
+	// statements can precede conditionals; any variables declared in this statement are available in all branches
+	if num := 9; num < 0 {
+		fmt.Println(num, "is negative")
+	} else if num < 10 {
+		fmt.Println(num, "has 1 digit")
+	} else {
+		fmt.Println(num, "has multiple digits")
+	}
+}