func MultiParams(ctx *fasthttp.RequestCtx) {
	fmt.Fprintf(ctx, "hi, %s, %s!\n", ctx.UserValue("name"), ctx.UserValue("word"))
}
MultiParams is the multi params handler
package main
import (
	"fmt"
	"log"
	"github.com/fasthttp/router"
	"github.com/valyala/fasthttp"
)
func Index(ctx *fasthttp.RequestCtx) {
	fmt.Fprint(ctx, "Welcome!\n")
}
func Hello(ctx *fasthttp.RequestCtx) {
	fmt.Fprintf(ctx, "hello, %s!\n", ctx.UserValue("name"))
}