func (g *Group) File(path, file string) {
	g.GET(path, func(c Context) error {
		return c.File(file)
	})
}
File implements `Vodka#File()` for sub-routes within the Group.
package vodka
import "path"
type (
	Group struct {
		prefix     string
		middleware []MiddlewareFunc
		vodka       *Vodka
	}
)
func (g *Group) Use(m ...MiddlewareFunc) {
	g.middleware = append(g.middleware, m...)
	g.vodka.Any(g.prefix+"*", func(c Context) error {
		return ErrNotFound
	}, g.middleware...)
}
func (g *Group) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(CONNECT, path, h, m...)
}
func (g *Group) Connect(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(CONNECT, path, h, m...)
}
func (g *Group) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(DELETE, path, h, m...)
}
func (g *Group) Delete(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(DELETE, path, h, m...)
}
func (g *Group) GET(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(GET, path, h, m...)
}
func (g *Group) Get(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(GET, path, h, m...)
}
func (g *Group) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(HEAD, path, h, m...)
}
func (g *Group) Head(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(HEAD, path, h, m...)
}
func (g *Group) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(OPTIONS, path, h, m...)
}
func (g *Group) Options(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(OPTIONS, path, h, m...)
}
func (g *Group) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(PATCH, path, h, m...)
}
func (g *Group) Patch(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(PATCH, path, h, m...)
}
func (g *Group) POST(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(POST, path, h, m...)
}
func (g *Group) Post(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(POST, path, h, m...)
}
func (g *Group) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(PUT, path, h, m...)
}
func (g *Group) Put(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(PUT, path, h, m...)
}
func (g *Group) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(TRACE, path, h, m...)
}
func (g *Group) Trace(path string, h HandlerFunc, m ...MiddlewareFunc) {
	g.add(TRACE, path, h, m...)
}
func (g *Group) Any(path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
	for _, m := range methods {
		g.add(m, path, handler, middleware...)
	}
}
func (g *Group) Match(methods []string, path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
	for _, m := range methods {
		g.add(m, path, handler, middleware...)
	}
}
func (g *Group) Group(prefix string, middleware ...MiddlewareFunc) *Group {
	m := []MiddlewareFunc{}
	m = append(m, g.middleware...)
	m = append(m, middleware...)
	return g.vodka.Group(g.prefix+prefix, m...)
}
func (g *Group) Static(prefix, root string) {
	g.GET(prefix+"*", func(c Context) error {
		return c.File(path.Join(root, c.P(0)))
	})
}