method.go

package main
import (
	"net/http"
	"strings"
)
type middleware string
func (m middleware) Pass(args string) func(http.HandlerFunc) http.HandlerFunc {
  return func(f http.HandlerFunc) http.HandlerFunc {
    // Define the http.HandlerFunc
    return func(w http.ResponseWriter, r *http.Request) {
	//split args and check if the request as this method
	acceptedMethods := strings.Split(args, "|")
	for _, v := range acceptedMethods {
		if r.Method == v {
		// Call the next middleware in chain
		f(w, r)
		return
		}
	}
http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
	return
    }
  }
}
// export as symbol named "Middleware"
var Middleware middleware