package main import ( "encoding/json" "io" "net/http" ) func writeJSON(w http.ResponseWriter, status int, v any) { w.Header().Set("Content-Type", "application/json") w.WriteHeader(status) enc := json.NewEncoder(w) _ = enc.Encode(v) } func writeError(w http.ResponseWriter, status int, msg string) { writeJSON(w, status, ErrorResponse{Detail: msg}) } func decodeJSON(r io.Reader, dst any) error { dec := json.NewDecoder(r) return dec.Decode(dst) }