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ch5/3/ch5_3.go

@@ -0,0 +1,13 @@
+package main
+
+import "fmt"
+
+func prefixer(prefix string) func(string) string {
+	return func(s string) string { return prefix + " " + s }
+}
+
+func main() {
+	helloPrefix := prefixer("Hello")
+	fmt.Println(helloPrefix("Bob"))   // should print Hello Bob
+	fmt.Println(helloPrefix("Maria")) // should print Hello Maria
+}