Method

Returns a string corresponding to the HTTP method of the request: GET, POST, PUT, and so on.
Optionally, you could override the method by passing a string.

func (c *Ctx) Method(override ...string) string

app.Post("/", func(c *fiber.Ctx) error {
  c.Method() // "POST"
  c.Method("GET")
  c.Method() // GET
  // ...
})