func Benchmark_Pat(b *testing.B) {
	m := pat.New()
	m.Get("/person/:last/:first", http.HandlerFunc(HandlerOk))
	for i := 0; i < b.N; i++ {
		r, _ := http.NewRequest("GET", "/person/anderson/thomas?learn=kungfu", nil)
		w := httptest.NewRecorder()
		m.ServeHTTP(w, r)
	}
}
Benchmark_Web runs a benchmark against the pat.go Mux using the
default settings.
package bench
import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"
	"github.com/drone/routes"
	gorilla "code.google.com/p/gorilla/mux"
	"github.com/bmizerany/pat"
)
func HandlerOk(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "hello world")
	w.WriteHeader(http.StatusOK)
}
func Benchmark_Routes(b *testing.B) {
	handler := routes.New()
	handler.Get("/person/:last/:first", HandlerOk)
	for i := 0; i < b.N; i++ {
		r, _ := http.NewRequest("GET", "/person/anderson/thomas?learn=kungfu", nil)
		w := httptest.NewRecorder()
		handler.ServeHTTP(w, r)
	}
}