package main import ( "encoding/json" "fmt" "log" "math/rand" "net/http" ) type prob struct { Operation string First int Last int } func attempt(w http.ResponseWriter, req *http.Request) { operation := "+" if r := rand.Intn(2); r == 0 { operation = "-" } first := rand.Intn(MAX) var second int if operation == "-" { if first == 0 { second = 0 } else { second = rand.Intn(first) } } else { second = rand.Intn(MAX) } r := prob{operation, first, second} b, err := json.Marshal(r) if err != nil { log.Fatal("issue with json marshalling") } j := string(b) fmt.Println(j) fmt.Fprintf(w, j) } func problem(w http.ResponseWriter, req *http.Request) { fmt.Fprintf(w, "hello world") }