package main import ( "fmt" "net/http" "github.com/mozillazg/go-httpheader" ) type Options struct { hide string ContentType string `header:"Content-Type"` Length int XArray []string `header:"X-Array"` TestHide string `header:"-"` IgnoreEmpty string `header:"X-Empty,omitempty"` IgnoreEmptyN string `header:"X-Empty-N,omitempty"` CustomHeader http.Header } func main() { opt := Options{ hide: "hide",