func RouteContext(ctx context.Context) *Context {
	return ctx.Value(RouteCtxKey).(*Context)
}
RouteContext returns chi's routing Context object from a
http.Request Context.
package chi
import (
	"context"
	"net"
	"net/http"
)
var (
	RouteCtxKey = &contextKey{"RouteContext"}
)
type Context struct {
	URLParams params
	RoutePath string
	RoutePattern string
	RoutePatterns []string
}
func NewRouteContext() *Context {
	return &Context{}
}
func (x *Context) reset() {
	x.URLParams = x.URLParams[:0]
	x.RoutePath = ""
	x.RoutePattern = ""
	x.RoutePatterns = x.RoutePatterns[:0]
}