recursions

anon-functions/go.mod

@@ -0,0 +1,3 @@
+module example.com/anon-functions
+
+go 1.23.1

anon-functions/main.go

@@ -0,0 +1,38 @@
+package main
+
+import "fmt"
+
+func main() {
+	numbers := []int{1, 2, 3}
+
+	double := createTransformer(2)
+	triple := createTransformer(3)
+
+	transformed := transformNumbers(&numbers, func (number int) int {
+		return number * 2
+	})
+
+	doubled := transformNumbers(&numbers, double)
+	tripled := transformNumbers(&numbers, triple)
+
+	fmt.Println(transformed)
+
+	fmt.Println(doubled)
+	fmt.Println(tripled)
+}
+
+func transformNumbers(numbers *[]int, transform func(int) int) []int {
+	dNumbers := []int{}
+
+	for _, val := range *numbers {
+		dNumbers = append(dNumbers, transform(val))
+	}
+
+	return dNumbers
+}
+
+func createTransformer(factor int) func(int) int {
+	return func(number int) int {
+		return number * factor
+	}
+}