feat: init & playaround

go-by-example/functions/functions.go

@@ -0,0 +1,33 @@
+package main
+
+import "fmt"
+
+func plus(a int, b int) int {
+	return a + b
+}
+
+func plusPlus(a, b, c int) int {
+	return a + b + c
+}
+
+func vals() (int, int) {
+	return 3, 7
+}
+
+func main() {
+
+	res := plus(1, 2)
+	fmt.Println("1 + 2 =", res)
+
+	res = plusPlus(1, 2, 3)
+	fmt.Println("1 + 2 + 3 =", res)
+
+	a, b := vals()
+
+	fmt.Println(a)
+	fmt.Println(b)
+
+	_, c := vals()
+	fmt.Println(c)
+
+}